SP-4012 NASA HISTORICAL DATA BOOK: VOLUME III
PROGRAMS AND PROJECTS 1969-1978
 
 

Table 1-32. Listing of Thor-Delta Vehicles

 

Date

Mission

Thor-Delta Successful*

.

1969

1-22

OSO 5

Yes

1-20

Isis I

Yes

2-5

Intelsat III F-3

Yes

2-26

ESSA 9

Yes

5-21

Intelsat III F-4

Yes

6-21

Explorer 41

Yes

6-28

Biosatellite 3

Yes

7-25

Intelsat III F-5

No; 3d stage malfunctioned (motor case ruptured or nozzle failed)

8-9

OSO 6/Pac

Yes

8-27

Pioneer E/TETR C

No; 3d stage malfunctioned (vibrating relief valve caused hydraulic oil leak)

11-21

Skynet I

Yes

1970

1-14

Intelsat III F-6

Yes

1-23

Itos l/Oscar 5

Yes

3-20

NATO I

Yes

4-22

Intelsat III F-7

Partial; booster underperformed but spacecraft thrusters helped put payload into proper orbit

7-23

Intelsat III F-8

Yes

8-19

Skynet 2

Yes

12- 11

NOAA I /Cepe

Yes

1971

2-2

NATO 2

Yes

3-13

Explorer 43

Yes

3-31

Isis 2

Yes

9-29

OSO 7/TETR 3

Partial; 2d stage anomaly led to spacecraft separation at wrong pitch angle

10-21

Itos B

No; 2d stage malfunctioned (oxidizer system leak)

1972

1-31

HEOS 2

Yes

3-11

TD-IA

Yes

7-23

ERTS I

Yes

9-22

Explorer 47

Yes

10-15

NOAA2/Oscar 6

Yes

11-9

Anik I

Yes

12-10

Nimbus 5

Yes

1973

4-20

Anik 2

Yes

6-10

Explorer 49

Yes

7-16

Itos E

No; 2d stage malfunctioned (hydraulic pump failure)

10-25

Explorer 50

Yes

11-6

NOAA 3

Yes

12-15

Explorer 51

Yes

Date

Mission

Thor-Delta Successful*

.

1974

1-18

Skynet 11 A

Yes

4-13

Westar I

Yes

5-17

SMS I

Yes

10-10

Westar 2

Yes

11-15

NOAA 4/lntesat/Amsat Oscar 7

Yes

11-22

Skynet II B

Yes

12-18

Symphonie I

Yes

1975

1-22

Landsat 2

Yes

2-6

SMS 2

Yes

4-9

GEOS 3

Yes

5-7

Anik 3

Yes

6-12

Nimbus 6

Yes

8-8

COS B

Yes

8-27

Symphonie 2

Yes

10-6

Explorer 54

Yes

10- 16

GOES I

Yes

11-20

Explorer 55

Yes

12- 13

Satcom I

Yes

1976

1-17

CTS I

Yes

2- 19

Marisat I

Yes

3-26

Satcom 2

Yes

4-22

NATO III A

Yes

5-4

Lageos

Yes

6-10

Marisat 2

Yes

7-8

Palapa I

Yes

7-29

NOAA 5

Yes

10- 14

Marisat 3

Yes

1977

1-28

NATO III B

Yes

3- 10

Palapa 2

Yes

4-20

GEOS

No; 3d stage malfunctioned; spacecraft apogee motor placed spacecraft into alternate orbit after 3d stage failed to put payload into transfer orbit

6-16

GOES 2

Yes

7-14

GMS

Yes

8-25

Sirio

Yes

10-22

ISEE l/ISEE 2

Yes

11-23

Meteosat

Yes

12-15

CS (Sakura)

Yes

Date

Mission

Thor-Delta Successful*

.

1978

1-26

IUE

Yes

3-5

Landsat 3/Oscar 8

Yes

4-7

BSE

Yes

5-11

OTS 2

Yes

6-16

GOES 3

Yes

7-14

GEOS 2

Yes

8-12

ISEE 3

Yes

10-24

Nimbus 7/Cameo

Yes

11-13

HEAO 2

Yes

11-19

NATO III C

Yes

12- 16

Anik 4

Yes

* 7 failures-partial failures out of 84 attempts (91.6% successful).


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