Soviet Union Anti-Satellite (ASAT) Tests
1968-1982

Reference:

Neither Star Wars nor Sanctuary, which references Space and National Security by Paul B. Stares, specifically page 86.

Notes:

Question marks (?) after numbers indicate that they are uncertain.

Phase I Tests (1968-1971)

Date

Interceptor

Target

Target orbit

Intercept Orbit

Revolutions
to
Intercept

Attempted Intercept
Altitude
(km)

Probable outcome

Incl.
(deg)

Perigee (km)

Apogee (km)

Incl.
(deg)

Perigee (km)

Apogee (km)

20 Oct 1968

K248

K249

62.25

475

542

62.23

502

1639

Two

525

Failure

1 Nov 1968

K248

K252

62.25

473

543

62.34

535?

1640?

Two

535

Success

23 Oct 1970

K373

K374

62.93

473

543

32.96

530

1053

Two

530

Failure

30 Oct 1970

K373

K375

62.92

466

555

62.86

565

994

Two

535

Success

25 Feb 1971

K394

K397

65.84

572

614

65.76

575?

1000?

Two

585

Success

4 Apr 1971

K400

K404

65.82

982

1006

65.74

802

1009

Two

1,005

Success

3 Dec 1971

K459

K462

65.83

222

259

65.88

231

2654

Two

230

Success

Phase II Tests (1976-1982)

Date

Interceptor

Target

Target orbit

Intercept Orbit

Revolutions
to
Intercept

Attempted Intercept
Altitude
(km)

Probable outcome

Incl.
(deg)

Perigee (km)

Apogee (km)

Incl.
(deg)

Perigee (km)

Apogee (km)

16 Feb 1976

K804

K803

65.85

547

621

65.86

561

618

One

575

Failure

13 Apr 1976

K814

K803

65.86

549

621

65.9?

556?

615?

One

590

Success

21 Jul 1976

K843

K839

65.88

983

2097

n.a.

n.a.

n.a

Two

1,630?

Failed to enter orbit?

27 Dec 1976

K886

K880

65.85

559

617

65.85

532

1266

Two

570

Failure (New Optical Sensor?)

23 May 1977

K910

K909

65.87

993

2104

65.86

465?

1775?

One

1,710

Failure

17 Jun 1977

K918

K909

65.87

991

2106

65.9?

245?

1630?

One

1,575?

Success
(Conflicting Data exists for intercept orbit)

26 Oct 1977

K961

K959

65.83

144

834

65.8?

125?

302?

Two

150

Success

21 Dec 1977

K970

K967

65.83

963

1004

65.85

949

1148

Two

995

Failure (New Optical Sensor?)

19 May 1978

K1009

K967

65.83

963

1004

65.87

965

1362

Two

985

Failure (New Optical Sensor?)

18 Apr 1980

K1174

K1171

65.85

966

1010

65.83

362

1025

Two

1000

Failure (New Optical Sensor?)

2 Feb 1981

K1243

K1241

65.82

975

1011

65.82

296

1015

Two

1005

Failure (New Optical Sensor?)

14 Mar 1981

K1258

K1241

65.82

976

1011

65.83

301

1024

Two

1005

Success

18 Jun 1982

K1379

K1375

65.84

979

1012

65.84

537

1019

Two

1005

Failure (New Optical Sensor?)