Apollo 11 Trajectory Analysis

142 Pages·2004·12.28 MB·English

11176-H508-RO-Oo
N7024300
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TRWN OTEN O.
PROJECT APOLLO
TASMKS C/TRW
A-50
APOLLO MISSION 11 TRAJECTORY
,
RECOi'.!STRUCTION AND POSTFLIGHATN ALYSIS
VOLUME 1
16 1970
MARCH
·gN70-24300
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AND ANALYSlDSI VIIOSN.
NAT\ONALA ERON1\UTI/IC,SN D SPACE ADt\AlN!STRATlON
tv\ANNEDS P.4CECRACFETN TER
HOUSTON,T EXAS
. NA9S- 8166
RE�ROOUCEOB Y IIOJI
U S DepartmentC omomefrce
National Technical Information Service
SpringfiVietrdg,1 M1 22161
11176-H508-RQ-OO
TRW NOTE NO.
?G-FMT-819
APOLLO
PROJECT
TASK MSC/TRW
A�50
APOLLO MISSION TRAJECTORY
T 1,
.RECONSTRUCTION AND ANALYSIS
POSTFLIGHT
VOLUME
l ..
16
MARCH1 970
Preparfeodr
MISSIONP LANNINGA ND AN.A.LYSDIISV ISION
I L SPACEA DMINISTRATION
NATONA AERONAUTICASN D
MANNED SPACECRAFCTE NTER
NAS 9-8166
Approved
Approvbeyd C)f/,(R ?.J .Jvtv� by
E.A lexander
WM.S CP/.TG RiWr odM,Aa -n50a ger JG.ui dancaen dC e1 Mntornoa[a e-r
Task
SysteDmesp artment
��
Approvebdy J/-. �?Jj'w ._y_ Approvbeyd
Manager SaileA,s sistant
MHS.C L/r.MR oWo Traes,k PDr.o Gj.e Mcatn ager
A-50
and
Guidance Performance
Mission ContrPorlo gram
Trajectory
J!�Qd}
��-
k? Approved "-,.J'-t:� t0
Approvbeyd by �
K. PetersbMuarnga,o 2r Parten,
RSy.s teEmvsa luationV MRi.s sP.i Polna nCnhiiSneugfp port
Deportment Office
NASAM Spacecraft
anned
Center
FOREl·TORD
Thisr eporti s submittet4o the NASA HannedS pacecrafCte nteri n
.accordanwciet hM SC/TRWTasAk- 50C ontracNtA S Thisr eport
9-8166.
containtsh e postfli t performed conjunctiowni tht he
gh analysis in
Apollo1 1 missiona nd is issued supplemento ne to the Apollo1 1 Mission
as
NSC�GOI71,
·Repor(tN ASA/·RHeSpGo rt Nov.1 969},
The reporti s issuedi n tw·o volumes. Volume I containsd etailso f
the analysiasn d resultosb tainedi,n cludinagp pendixesV.o lume II
containas listingo f 45-dayb este st a ed trajectory (BfEoTr) t he
the im t
Apollo in Apollo
11m issionth eN ASA Traject(oNryA Tfo)rm at.Th e list­
ing is not genen:.llyd istributebdu ti s availablfer omN ASA/HSuCp on
request.R equestssh ouldb e made to:
NASA/NSCC omputatioannsd AnalysiDsi vis n
io
CentralH etricD ata File
CodeE D-5,B uilding Room1 33
12,
HoustonT,e xas 77058
iii
---� - - - ----- ---
PageI netntnialolLye ftB alnk
CONTE'l'ITS
TABLEO F
Page
7.1 INTRODUCTIANDON S��y 7-1
7.1.1 Apollo� 1 Mission 7-1
7.1.2 Postflight 7-1
Analysis
ORBITAN ALYSIS 7-7
7.2
7.2.1 of Reconstruction 7-7
'Hethods
7.2.2 CSM Best_ o Trajectryo 7-8
Estimatfe
7.2.3 BestE stimate a e o 7-9
LM ofT r jctry
7.2.3.1D escentP haseT rajectories 7-9
7.2.3.2 Rendezvous 7-10
Trajectories
7.3 ONBOARD TRACKING DATAAN ALYSIS 7-15
7.3.1 Introduction
7-15
7.3.2 Onboard
Measurements 7-16
7.3.3 Evaluatioonf Onboard Tracking Data
7-16
DATAAN ALYSIS 7-63
7.4 LANDING RADAR
DescentT rajectories 7-63
7.4.1
7-65
7--. 4.L a2n ding- Radar- VReelsoicdiutayl s
7.4.3 SurfaceA ltitude Groundtrack 7-75
Lunar Along
REFERENCES R-1
APPENDIXA A-1
APPENDIX B B-1
APPTh"'DCI X C-1
APPENDIDX D-1
v
PageIt nentailyoL lneftB lakn
LIST TABLES
OF
Apollo1 1 SequenocfeE. v ents 7-3
7.1
Rnde ous ManeuvSeumrm aryf orA pollo 7-4
7.2 Descenatn d e zv - 11
MatchpoiCnotm parisoofnTsr ajectorPireosd ucweidt h
7.3
an LlL unaPro tentiMaold els 7-12
theR2 d
7.4 Apollo 11 7-14
Mission BETS ummary
Summaryo f RadaRre isduaSlt atstics 7-18
7.5 Rendezvous i
7.6 Rendezvoaudsar ResiudalS tatisti 7-28
R OnlyS olution cs
7.7 Summaryo f aning ResiduSatla tstiics 7-33
VHF R g
Summary SextantR esiduSatla tistics 7-39
7.8 of
ComparisonR enodfe zvRoaudsa r Estimatewsi th
7.9 Noise
SpecificaRteiqouni reenmts 7-61
Comparisoofn and SextantN oiseE stimates
7.10 VHF Ranging
·withSp ecifaitcioRne quiremen.ts 7-61
7.11 LandinSgi teC oordinates 7-67
LM
7.12 Ra r esidua Statistics 7-68
Landingd a VelociRty l
vii
PageIt nenotnailLleytf B lank
ILLUSTRATIONS
LISTO F
of for Apollo Descent-
7-la Relattoi Mvnoedt iigo n(C tSHhC eU 1te red) 11 7-5
DOI La n en
7-lb R lativ Motiono f the for Apollo1 1R endezvous-
Aesceent to D ocking CSLM ·
( H Centered) i-6
7-2 (Onboard
TrackiDnagt a andG rounBda seTdi)m eline
for Apollo1 1 Re evous 7-13
Descenatn d ndz
7- a Rende ous RadaAnrg leR esiduSatla tistics
3 zv 7-19
7-3b Radar andR ange RRaetised ual
Rendezvous Range
7-20
Statisti.cs
7-4 RendezvousR adar In er io to 7-21
Residua(lss t n CSI)
Rendezvous esd s (CSIto CDH) 7-23
7-5 RadarR iual
Radar (CDHto TPI) 7-25
7-6 Rendezvous Residuals
7-7 Radar ShaftN oise as a Functioonf Avera·g e
Rendezvous
Range
7-30
7-8 RendezvousR adar Trunnion Noie as a Functiono f
s
AverageR ange 7-31
7-9 RendezvouRsa darR angeN oisea s a FunctioofnA verage
R nge 7-32
a
7-10 \rnFR anginRges iduals( DOtIo PDI) 7-34
7-11 VHF Rangig Residuals( CStIo C DR) 7-35
n
7-12 R ging ResidualsC DR to TPI) 7-36
VHF an (
7-13 VHF RanginNgo isaes Functioonf AverageR ange
a 7-37
7-14 VHF RanginRegs idual aStistis
t c 7-38
7-15 SextanRets iduals (DOtlo P DI)
7-41
7-16 SextanRte sidua(lIsn serttiooC nS )I 7-42
7-17 SextantR esidual(sC SIt oC DH)
7-43
7-18 Sextant Residua(lCsD tRo T PI)
7-44
7-19 Setxant Angular·RandomNo ise asa Functiono f Average
Range
7-45
7-20 SextanRte isduaSlt atistics 7-46
7-21 Out-of-PlanCeo mponenotf PositiRoenl atitvoeC SM
(DOlt oP DI) LM 7-47
7-22 DifferenceBse bveenP iion Components Relative
Trajector(iDOels t ooPs DtI) of 7-48
LISTO F TABLES
Apollo1 1 Sequceen ofE.v ents 7-3
7.1
RendezvMoaunse uvSeumrm aryf or 7-4
7.2 Descenatn d Apoll1o1
MatchpinotC omparisoofnT sr ajectorPireosd ucweidt h
7.3
the R2 Lunar PotentiMaold els 7-12
andL l
ApollMoi ssio11n 7-14
7.4 BET Summary
Summary ofR endezvRoauds aRre siduSatla tistics 7-18
7.5
I· RendezvousR adarO nly Solution Residual Stat7i-2s8t ics
I 7.6
7.7 Summary of VHF RangingR esiduaSlt atistics
7-33
7.8 SextantR esidual 7-39
Summary of Statistics
Comparisoonf RendezvouRsa darN oiseE stimatewsi th
7.9
SpecificatiRoenq uirements 7-61
7.10 Comparisoonf Ranginga nd SextantN oiseE stimates
VHF
·withS pecificaRteiqouni remen.ts 7-61
7.11 Landngi SiteC oordtiensa 7-67
LM
7.12 Landgi RadaVre lociRteys iduSatla tistics 7-68
n
vii