Thor-Agena

Status	Retired
Country	United States
Manufacturer	Douglas
Number of orbital launches	185
First launch	1959-02-28
Last launch	1972-05-25

source

Launches by year:

Latest launches:

Launch date	Launch site	Rocket / Variant	Payload	Status
1972-05-25	Vandenberg	Thor-Agena Thorad SLV-2H Agena D	KH-4B 17	success

1972-04-19	Vandenberg	Thor-Agena Thorad SLV-2H Agena D	KH-4B 16	success

1971-12-14	Vandenberg	Thor-Agena Thorad SLV-2G Agena-D	Poppy 9A / Poppy 9B / Poppy 9C / Poppy 9D	success

1971-10-17	Vandenberg	Thor-Agena Thorad SLV-2G Agena-D	ASTEX (P71-2)	success

1971-09-10	Vandenberg	Thor-Agena Thorad SLV-2H Agena D	KH-4B 15 / Arroyo	success

1971-07-16	Vandenberg	Thor-Agena Thorad SLV-2H Agena D	Strawman 4 & RM 19	success

1971-03-24	Vandenberg	Thor-Agena Thorad SLV-2H Agena D	KH-4B 14	success

1971-02-17	Vandenberg	Thor-Agena Thorad SLV-2H Agena D	KH-4B 13 / P-801 3	failure

1970-11-18	Vandenberg	Thor-Agena Thorad SLV-2H Agena D	KH-4B 12 / Tophat 1	success

1970-08-26	Vandenberg	Thor-Agena Thorad SLV-2G Agena-D	Strawman 3	success

+ 175 more...

Variants:

(This section is under construction)

Thor-Agena Thor DM-18A Agena A

First launch	1959-02-28
Stages	2
Boosters	0
Mass	53.13 t
Height	28 m

1959 saw the introduction of another series of two-stage carrier rockets based on Thor: Thor-Agena. This incorporated Lockheed’s RM-81 Agena vehicle which was designed to serve both as part of the rocket and a general-purpose platform upon which satellites could be constructed

Thor-Agena Thor SLV-2 Agena-B (Thor DM-21 Agena B)

First launch	1960-10-26
Stages	2
Boosters	0
Mass	56.51 t
Height	31 m

Payload capacity:

LEO	400 kg to 1,100 km / 100 deg

Incorporated an upgraded version of Agena, the Agena-B, with stretched propellant tanks and a restartable engine, and the upgraded DM-21 first stage.

Thor-Agena Thor SLV-2 Agena-D (Thor DM-21 Agena D)

First launch	1962-06-28
Stages	2
Boosters	0
Mass	56.51 t
Height	31 m

Thor-Agena Thor SLV-2A Agena D (TAT Agena D)

First launch	1963-02-28
Stages	2
Boosters	3 x Thiokol Castor TX-345-5
Mass	67.82 t
Height	31 m

Thor-Agena Thor SLV-2A Agena-B (TAT Agena B)

First launch	1963-06-29
Stages	2
Boosters	3 x Thiokol Castor TX-345-5
Mass	67.5 t
Height	31 m

The Thrust-Augmented Thor (TAT) incorporated three Castor-1 solid rocket motors (SRMs) clustered around the base of the vehicle. These provided additional thrust at liftoff, increasing the rocket’s payload capacity.

Thor-Agena Thorad SLV-2G Agena-D

First launch	1966-08-09
Stages	2
Mass	91.4 t
Height	32.9 m

Thor-Agena Thorad SLV-2H Agena D

First launch	1969-06-05
Stages	2
Mass	88.73 t
Height	34 m