esro-1b - press kit

8/7/2019 ESRO-1B - Press kit

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WO 2-4155ATiONAL AERONAUTICS AND SPACE AD$AlNlSTRATlONWASHINGTON,D .C A0546 TELS* wo 3-6925

FOR RELEASE: DAYSeptember 28, 1969RELEASE NO : 69-138

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September 28, 1 9 6 9RELEASE NO : 69-138

FOURTH ESRO SATELLITE TO BE LAUNCHED

A 176-pound s a t e l l i t e c a r r y i n g e i g h t e x pe r im e nt st o s t u d y t h e p o l a r i o no sp h er e , t h e Nor the r n L i g h t s andr e l a t e d phe nom e na , i s s c he du le d t o b e l aunched by a f ou r -s t a g e S c o ut r o c k e t f ro m t h e Western T e s t Range, C a l i f . ,no e a r l i e r t h a n O c t . 1, 1 9 6 9 .

C a l l e d ESRO-lB, t h e E ur ope a n de s igne d a nd bu i l ts a t e l l i t e i s t h e f o u r t h i n a coopera t ive p rogram be tweent h e European Space Resea rch Org an iz a t ion ( E S R O ) and t h eNa t i on a l A eron au t ic s and Space Adm inis t r a t io n (NASA).

The program i s c a r r i e d o u t u n de r t e r m s o f a n agre-ement s ig ne d by t h e two o r g a n i z a t i on s i n December 1 9 6 6 ,r e l a t i n g t o pr o vi d in g ESRO w i t h l a u n c h i n g a nd a s s o c i a t e ds e r v i c e s .

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ESRO-IB i s a d u p l i c a t e or backup v er s io n of ESRO I-Aurorae, a c o o p er a ti v e ESRO/NASA p r o j e c t , which was succes-s f u l l y l au nc he d i n t o a h ig hl y e l l i p t i c a l ne ar p o l ar o r b i t by

" NASA on October 3 , 1 9 6 8 , and i s s t i l l o p e r a t i n g .The same complement o f e igh t expe r iment s - -a s e r i e s

o f h i g h - l a t i t u d e p a r t i c l e d e t e c t o r s , a u r o r a l ph oto me te rs ,and Langrnuir probes -- i s be ing c a r r i e d on board ESRO-1B.

The expe r iment s were prov ided by t h e T e c h n i c a lU n i v e r s i t y of Denmark; Kiruna Geophys ica l Obse rva to ry ,Sweden; t h e Radio and Space Research Sta t ion , S l o u g h ,E ng la nd ; t h e Un i v e r s i t y of Oslo, Norway; t h e U n i v e r s i t y o fBergen, Norway; t h e Norwegian Defense Research E s t a b l i s h -ment; and t h e U n i v e r s i t y C o l l e g e , London, England.

The o r b i t p lan ne d f o r ESRO-1B i s n e a r - p o l a r , i n c l i n e dI"86 d e g r e e s to t h e Equa to r , w i t h an apogee of 435 k i l o m e t e r s

( a b o u t 2 7 0 s t a t u t e m i l e s ) and a p e r i g e e o f 400 k i l o m e t e r s(abou t 2 4 8 s t a t u t e m i l e s ) . O r b i t p e r i o d w i l l be 92 minutes .

S c i e n t i f i c m ea su re men ts made by t h e ESRO-1B w i l l b econcen t ra t ed ove r Nor the rn Europe to e n a b l e c o r r e l a t i o nbetween ground-based p o la r ionosp he re obse r va t i ons andmeasurements made s i m u l t a n e o u s l y w i t h sound ing rocke t sl aunched from t h e ESRO l aunch s i t e a t Kiruna, Sweden.

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-3-Once i n j e c t e d i n t o o r b i t , t h e ESRO-ZB w i l l b e

de-spun by means o f a yo-yo s y s t e m t o a bo ut 1 RPM. F i n a ls t a b i l i z a t i o n w i l l o c c u r a b o u t 1 0 days a f t e r launch whent h e s p a c e c r a f t l o c k s on t o t h e E a r t h ' s m a g ne ti c f i e l d .T hi s s t a b i l i z a t i o n i s a c h i e v e d by means o f a p a i r of mag-n e t s i n s i d e t h e s a t e l l i t e . To m in im iz e o s c i l l a t i o n s , s l e n d e rm a gne t i c r ods are a l s o m ounted i n s i d e t h e s a t e l l i t e .

L i k e i t s predecessor, ESRO-1B was b u i l t by t h eL a bor a to i r e C e n t r a l de T e l e c om m un ic a t i ons , P a r i s , F r a nc eI n a s s o c i a t io n w i t h C on t r a ve s A . G . , Zur ich , and B e l l T e l e -phone M an uf ac tu ri ng Company, Antwerp, u nd er t h e d i r e c t i o nof t h e Europe an Space Technology Ce nt er (ESTEC), l o c a t e da t Noordwi j , Hol l a nd .

The s a t e l l i t e w i l l b e t r a c k e d an d i n t e r r o g a t e d b yt h e Eu ropean S a t e l l i t e T r a ck i ng , Te l eme t r y and TelecommandNetwork (ESTRACK). Tr ac ki ng a s s i s t a n c e w i l l b e p r o v i d e dby NASA's world-wide Spac e Tr ac ki ng and Data A c q u i s i t i o nNetwork (STADAN) operated by t h e Goddard Space F l ight Center ,and by t h e C e n t r e N a t i o n a l E t ud e s S p a t i a l e s (CNES), i n F r an c e .

ESRO i s a t en -nat ion- me mber o r ga n i z a t i o n c o ns i s t i ng o fBelgium, Denmark, France, t h e F e d e r a l R e p u b l i c o f Germany,I t a l y , t h e Ne t he r l a nd s , S pa in , S weden, S wi t z e r l a nd , a nd t h eUnited Kingdom. I t s h e a d q u a r t e r s i s l o c at e d i n P a r i s .

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-4-T h i s will be t h e f o u r t h s a t e l l i t e l a unche d i n t h e

ESRO pr og ra m. ESRO-IIA, d e s ig n e d t o m ea su re s o l a r andc o s m i c r a d i a t i o n was launched f rom the Western Test Rangeon May 2 9 , 1 9 6 7 . However a f a i l u r e o f t h e S c ou t r oc ke to c c u r r e d d u r i n g t h e l a unc h pha s e a nd t h e s a t e l l i t e d i d n o ta ch ie ve o r b i t .

ESRO-IIB, a backup to ESRO-IIA, was s u c c e s s f u l l ylaunched f rom th e Wes te rn T e s t Range on May 1 7 , 1 9 6 8 , andas i n d i c a t e d , ESRO I was l aunched l a s t y e a r .

The t h i r d s p a c e c r a f t i n t h e s e r i e s , HEOS A - 1 , waslaun ched from Cape Kennedy, F l a . , by a Del t a r oc ke t onDecember 5 , 1 9 6 8 . I t s m i s s i o n i s to s t u d y t h e E a r t h ' sm a gne t i c f i e l d from a h ig hl y e l l i p t i c a l o r b i t r a ng in gup to 139,000 m i l e s above t h e E a r t h .

J o i n t NASA/ESRO p r o j e c t s a re d i r e c t e d b y t h e O f f i ceo f S pa ce S c i e nc e and App l i c a t i on s , a nd t h e O f f i c e o f I n t e r -n a t i o n a l A f f a i r s , NASA H ea dquar te rs , Wash ingto n, D . C .$

The NASA Goddard Space F l i g h t Cen te r , Gr ee nb el t , Md.,i s charged w i t h c o o r d i n a t i n g t h e p r o j e c t f o r NASA.

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-5-The NASA Kennedy Space Center , Western Test Range,

C a l i f . , w i l l p r ov i de t h e l a un c hi n g s e r v i c e s i n c o o r d i n a t i o nw i th t h e Sc ou t p r o j e c t o f f i c e o f NASA's La ng ley Re se ar chCenter , Hampton, V a . The Scout r o c k e t i s b u i l t b y Ling-Temco-Vought, I n c . , Dal las , Texas .

( E N D OF GENERAL RELEASE: BACKGROUND I N F O R M A T I O N FOLLOWS)

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F E E T7 2

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tOURTH STAGEAN DSPACECRAFT

THIRD STAGE

I1SECOND STAGE

F I R S T STAGE

- SRO-IBSPACECRAFTF W - 4 SSOLID - P R O P E LLA N TMOTORANTARES -IIMOTORE+----- S O LI D - P i tO P E LLA N T

CASTOR -IIMOTOR- O LI D -P R O P E LLA N TALGOL-1IBMOTORa O L I D - P R O P E L L A N T

Scout Launch Vehicle


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LAUNCH VEHICLE

S c ou t i s a f o u r - s t a g e s o l i d f u e l r o c k et s y s t e m . Scout5-172 and t h e ESRO 1 B s p a c e c r a f t w i l l b e s e t on a n i n i t i a ll a unc h a z im u th o f 177 .216 degrees t o o b t a i n a r e t r o g r a d e ( > r e b i t .The Scout program i s managed by NASAs Langley Research Center ,Hampton, V a .The four . Scout motors , Algol , Castor , Arltares, and FW-4Sare i n t e r l o c k e d w i t h t r a n s i t i o n s e c t i o n s t h a t c on ta in gu ida nc e ,c o n t r o l , i g n i t i o n , i n st r u m en t a t i o n s y s t e m , s e pa r a t i on m e c ha n i c s ,and t h e s p in m o to r s ne e de d t o s t a b i l i z e th e Pour th s t a g e .Guidance f o r S c ou t i s prov ided by an a u t o p i l o t an d c o n t r o la c h i e v e d by a c om bina t i on o f a e r odyna m ic s u r f a c e s , jet vanesand hydrogen pe r ox id e j e t s . Lhe l a u n c h v e h i c1e i s approx imate ly

7 3 f e e t long and we ighs a b o u t 110,000 pourids at l i f t o f f .I+1 ti t S equen ceI-

Event

Li f o fF i r s t :;tag(- burnoutSecond s t age - i g n i t i o n

Sp3-n -up

F our th s t a g e ignitionF o u r t h s t a g e b u r n o u t & o r b i t a l i n j e c t i o n

- / G . 677.64

1 i 7 .1. 11.17.112 1 3 . 0 14 31 .114 3 5 . 6 1 I iO .I1474 35


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TOP

DC-OC

5-71 E SENSOR SENSOR CONE5-71 B SENSOR BLOCK (21CONICAL SOLAR CELL PANEL

PERMEABLE RODS (32)---5-71 E ELECTRONICS-

.__.-44 and 5-45 ELECTRONICS- YLINDRICAL SOLAR CELL PANEL(8)_ _ ELEMETRY DIGITAL ENCODER UNITBENDIX UMBIL ICAL CONNECTOR,


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ESR O -IB FACT SHEETLaunch Window: 30-minu te window whi ch ch an ges o n ly s l i g h t l yfrom day t o day. The window opens a t3 : 2 9 p.m., ( P D T ) , Oc tobe r 1, 1 9 6 9 .Launch S i te : Western T e s t Range, Lompoc, Cal i fornia ,Pad SLC-5.Launch V e h i c l e : F o u r -s t a ge s o l i d f u e l S c ou t r o c k e t .0rbJ;t: Apogee : 435 km ( a b o u t 270 s t a t u t e m i l e s)

Per igee : 400 k m ( a b o u t 2 4 8 s t a t u t e m i l e sP e r i o d : 9 2 minutesI n c l i n a t i o n : 86 d e g r e e s

S t a b i l i z a t i o n : S p a c e c r a f t i s s p i n s t a b i l i z e d a t about 1 4 8 rpmi n i t i a l l y . Despun t o one rpm by yo-yomechanism and f u r t h e r despun by magne t ic s y s t e mw h i c h i n t e r a c t s w i t h E a r t h ' s m ag ne ti c f i e l d .S t a b i l i z a t i o n t h e r e a f t e r will b e pr ov ide d bya p a s s i v e s y s t e m c o n s i s t i n g o f two permanentmagnets .S p a c e c r a f t : Weight: 1 7 6 poundsS t r u c t u r e : C y l i n d r i c a l body w i t h t r u n c a t e dcones a t e a c h e nd . Overa l l h e i g h t i s 153 cm.( a bou t 6 0 i n c h e s ) and d i a m e t e r i s 76 cm.( a bou t 30 i n c h e s ) ,Appendages : One experiment boom one-halfmeter ( a b o u t 20 i n c h e s ) longe x t e n d i n g a l o n g t h e s p i n a x i sf rom top o f s p a c e c r a f t .

Two ex pe ri me nt booms ea c h onemeter ( a bou t 39 i n c h e s ) longe x t e nd i ng f r om bo t tom o f s pa c e -c r a f t p e rp e nd i cu l ar to s p i n a x i sF o ur t e l e m e t r y a n t e n n a s e x t e n d -from t o p r i m o f s p a c e c r a f t .

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Power: 6 , 9 9 0 solar c e l l s mo unted on sp a c e c r a r ts u r f a c e s u p p l y an ave rage o f 23 watts too p e r a t e t h e s p a c e c r a f t s y s t e m s and tok e e p t h e b a t t e r y (16-ce1-1, t h r e e ampere-h o u r u n i t ) charged.

Telemetry: (Low-Speed Data S y s t e m ) - T h i s s y s t e m hasa low-power t ransmi tber w i t h a n o u t p u tof two- tenths of a w G t t i n t h e 1 3 6 . 1 7 0megahert z f requency range f o r con t inuousdata t r a n s m i s s i o n .(High-speed Data System) - T h i s s y s t e m u se sa h i g h - p o we r t r a n sm i t t e r w i t h an ou tpu tof one and two-tenths wat ts i n t h e 1 3 6 . 9 5 0rnhz f requency range f o r high-speed, rea l - t ime ,t r a n s m i s s i o n . The s y s t e m a l s o w i l l t r a n s m i td a t a s t o r e d by t h e s p a c e c r a f t ' s s i n g l e t a p er e c o r d e r d u r i n g on e o r b i t ( a bo u t 1 0 0 m i n u t e s ) .Playback t i m e f o r t h i s r e c o r d e r i s t h r e eminutes .S p a c e c r a f t C o n t r o l : P r im a r y c o n t r o l o f t h e E S R O - I B s p a c e c r a f t i sm a i n t a i n e d a t t h e European Space Operat ionsC e n t r e ' s ( E S O C ) c o n t r o l c e n t e r i n

Darmstadt, Germany.Track ing : The s a t e l l i t e w i l l b e t r a c k e d by the Redu,B e l g i u m , s t a t i o n o f E S R O ' s European S a t e l l i t eTracking and Telecommand Network (E S T R A C K )as w e l l as t h e P r e t o r i a , South A f r ic a s t a t i o nof t h e French Cen t re Na t iona l d 'E tudesS p a t i a l e s ( C N E S ) . N A S A ' s worldwide SpaceTrack ing and Data Acquis i t ion Network( S T A D A N ) w i l l p ro vi de a d d i t i o n a l t r a c k i n gs u p p o r t .Data A c q u i s i t i o n : S c i e n t i f i c a nd s p a c e c r a f t p er fo rm an ce d a t aw i l l b e acqu i red f rom t h e ESR O -IB b y t h ef o l l o w i n g s t a t i o n s :

ESTRACK- Fa i r b a n k s , Alaska; P o r t S t a n l e y ,Fa lkl and Is la nd s; Redu, Belgium;and Ny-Alesund, Sp i t sb er ge n.CNES- P r e t o r i a , S ou th A f r i c a;B r a z z a v i l l e , Congo; andOuagadougou, Upper Volta.-Norway- Station a t Tromso, Norway.

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-9-STADAN- A v a il a b le s t a t i o n s w i l l s u p p o r tESRO-I . STADAN s t a t i o n s a t

F o r t Myers, F l o r i d a ; a n dRosman, N . C . , w i l l r e l a y s p a c e -c r a f t data i n real-time t o t heGoddard Space Flight C e n t e r ,G r e e n b e l t , M d . , d u r i n gs a t e l l i t e ' s i n i t i a l week i n o r b i t .

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ESRO PROGRAM PARTICIPANTSEuropean Space Resea rch Organ iza t ionP r o f e s s o r H e rmann Bondi D ir ec to r Ge nera l , ESROP r o f e s s o r Werner Kleen

P i e r r e B l a s s e l

Manfred G Grensemann

J ohn P l e v in

D r . Rudolph Jaeschke

D i r e c to r , E u rope an Spac eResearch and TechnologyCenter ( E S T E C ) Moordwijk,The Ne the r l a ndsDeputy Director ESTEC,and D i r e c t o r , S a t e l l i t e s andSounding Rocket Department,EST%CESRO I - B Pro jec t Manager ,ESTECA s s i s t a n t P r o j e c t M a n a g e r ,ESTECESRO I - B P r o j ec t S c i e n t i s tof t h e Space Sc ience Depar t-ment ESTEC, Noordwijk,The Nether lands

Na t ion a l Ae r ona u t i c s a nd S pa ce Ad m in i s t r a t i onH e r b e r t L . Eaker ESRO-1B P r o j e c t Co or di na to rGoddard Space F l i g h t C ente rH . L . H o f f T r a c k ing S c i e n t i s t , Godda r dJohn R . H o l t z

P a u l E . Goozh

Roland D . E n g l i s h

J o s e p h T a l b o t

E x p l o r e r s & Sounding RocketsPr og ra m Manager , NASA Head-q u a r t e r sScout Program ManagerNASA H ea dqu ar te r sHead, Scout P r o j e c t O f f i c eLangley Research CenterScout Pay load Coord ina torLangley

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KSC, Unmanned Launch Operations - Western Test RangeW i l l i a m D . Hlnshaw Head, Langley Mission S u p p o r tOff ice , WTRHenry R . Van Goey Manager, KSC, ULO, WTRODC. 11. Fuen tes KSC, ULO, WTROD - ESRO-18Coord ina to r

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esro-1b - press kit

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