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US-P Satellite Bus

Data current as of 2026-07-20.

The US-P bus accounts for 52 cataloged objects, of which 1 are in orbit and 0 are active. 51 have reentered. Most are built by ARSL/KOMET. The largest operator on this bus is VMF. The first launched in 1974, the most recent in 2006.

Track US-P satellites live in KeepTrack
1
In orbit
0
Active
52
Total launched
51
Reentered

US-P launched per year

1 2 3 4 1974: 1 launched, 1 since reentered 1975: 1 launched, 1 since reentered 1976: 2 launched, 2 since reentered 1977: 1 launched, 1 since reentered 1978: 0 objects launched 1979: 2 launched, 2 since reentered 1980: 2 launched, 2 since reentered 1981: 4 launched, 4 since reentered 1982: 4 launched, 4 since reentered 1983: 2 launched, 1 since reentered 1984: 2 launched, 2 since reentered 1985: 3 launched, 3 since reentered 1986: 3 launched, 3 since reentered 1987: 2 launched, 2 since reentered 1988: 2 launched, 2 since reentered 1989: 3 launched, 3 since reentered 1990: 4 launched, 4 since reentered 1991: 1 launched, 1 since reentered 1992: 0 objects launched 1993: 4 launched, 4 since reentered 1994: 1 launched, 1 since reentered 1995: 2 launched, 2 since reentered 1996: 1 launched, 1 since reentered 1997: 1 launched, 1 since reentered 1998: 0 objects launched 1999: 1 launched, 1 since reentered 2000: 0 objects launched 2001: 1 launched, 1 since reentered 2002: 0 objects launched 2003: 0 objects launched 2004: 1 launched, 1 since reentered 2005: 0 objects launched 2006: 1 launched, 1 since reentered 1974 1979 1984 1989 1994 1999 2004
Still in orbit Since reentered Click a year to list its satellites.

Typical specifications

Most common values across cataloged US-P satellites.

Manufacturer ARSL/KOMET
Purpose Ocean surveillance, passive
Launch mass 3300 kg
Dry mass 3000 kg
Length 10 m
Diameter 1.3 m
Span 17 m
Shape Cyl + 2 Pan
Power 2 deployable fixed solar arrays, batteries
Typical orbit 93 min period, 65° inclination

Top operators

VMF 33 VMFR 13 ARSL 4

Top countries

SU 39 RU 13

US-P satellites

Track any of them live in KeepTrack.

Name NORAD COSPAR Owner Launched Orbit Status Track
COSMOS 2421 Kosmos-2421 29247 2006-026A VMFR Jun 25, 2006 87 min, 65.0° Reentered ◉
COSMOS 2405 Kosmos-2405 28350 2004-020A VMFR May 28, 2004 87 min, 65.0° Reentered ◉
COSMOS 2383 Kosmos-2383 27053 2001-057A VMFR Dec 21, 2001 87 min, 65.0° Reentered ◉
COSMOS 2367 Kosmos-2367 26040 1999-072A VMFR Dec 26, 1999 88 min, 65.0° Reentered ◉
COSMOS 2347 Kosmos-2347 25088 1997-079A VMFR Dec 9, 1997 87 min, 65.0° Reentered ◉
COSMOS 2335 Kosmos-2335 24670 1996-069A VMFR Dec 11, 1996 87 min, 65.0° Reentered ◉
COSMOS 2326 Kosmos-2326 23748 1995-071A VMFR Dec 20, 1995 87 min, 65.0° Reentered ◉
COSMOS 2313 Kosmos-2313 23596 1995-028A VMFR Jun 8, 1995 88 min, 65.0° Reentered ◉
COSMOS 2293 Kosmos-2293 23336 1994-072A VMFR Nov 2, 1994 88 min, 65.0° Reentered ◉
COSMOS 2264 Kosmos-2264 22808 1993-060A VMFR Sep 17, 1993 87 min, 65.0° Reentered ◉
COSMOS 2258 Kosmos-2258 22709 1993-044A VMFR Jul 7, 1993 87 min, 65.0° Reentered ◉
COSMOS 2244 Kosmos-2244 22643 1993-029A VMFR Apr 28, 1993 88 min, 65.0° Reentered ◉
COSMOS 2238 Kosmos-2238 22585 1993-018A VMFR Mar 30, 1993 87 min, 65.0° Reentered ◉
COSMOS 2122 Kosmos-2122 21065 1991-005A VMF Jan 18, 1991 88 min, 65.0° Reentered ◉
COSMOS 2107 Kosmos-2107 20985 1990-108A VMF Dec 4, 1990 88 min, 65.0° Reentered ◉
COSMOS 2103 Kosmos-2103 20933 1990-096A VMF Nov 14, 1990 88 min, 65.0° Reentered ◉
COSMOS 2096 Kosmos-2096 20765 1990-075A VMF Aug 23, 1990 88 min, 65.0° Reentered ◉
COSMOS 2060 Kosmos-2060 20525 1990-022A VMF Mar 14, 1990 87 min, 65.0° Reentered ◉
COSMOS 2051 Kosmos-2051 20334 1989-092A VMF Nov 24, 1989 87 min, 64.8° Reentered ◉
COSMOS 2046 Kosmos-2046 20259 1989-079A VMF Sep 27, 1989 88 min, 65.0° Reentered ◉
COSMOS 2033 Kosmos-2033 20147 1989-058A VMF Jul 24, 1989 87 min, 65.0° Reentered ◉
COSMOS 1979 Kosmos-1979 19647 1988-101A VMF Nov 18, 1988 88 min, 64.9° Reentered ◉
COSMOS 1949 Kosmos-1949 19193 1988-045A VMF May 28, 1988 88 min, 65.0° Reentered ◉
COSMOS 1890 Kosmos-1890 18396 1987-086A VMF Oct 10, 1987 89 min, 65.0° Reentered ◉
COSMOS 1834 Kosmos-1834 17847 1987-031A VMF Apr 8, 1987 93 min, 62.0° Reentered ◉
COSMOS 1769 Kosmos-1769 16895 1986-059A VMF Aug 4, 1986 100 min, 98.8° Reentered ◉
COSMOS 1737 Kosmos-1737 16648 1986-025A VMF Mar 25, 1986 93 min, 73.4° Reentered ◉
COSMOS 1735 Kosmos-1735 16620 1986-021A VMF Feb 27, 1986 88 min, 65.0° Reentered ◉
COSMOS 1682 Kosmos-1682 16054 1985-082A VMF Sep 19, 1985 89 min, 65.0° Reentered ◉
COSMOS 1646 Kosmos-1646 15653 1985-030A VMF Apr 18, 1985 425 min, 26.3° Reentered ◉
COSMOS 1625 Kosmos-1625 15492 1985-008A VMF Jan 23, 1985 88 min, 65.0° Reentered ◉
COSMOS 1588 Kosmos-1588 15167 1984-083A VMF Aug 7, 1984 701 min, 64.4° Reentered ◉
COSMOS 1567 Kosmos-1567 15009 1984-053A VMF May 30, 1984 88 min, 65.0° Reentered ◉
COSMOS 1507 Kosmos-1507 14455 1983-110A VMF Oct 29, 1983 88 min, 65.0° Reentered ◉
COSMOS 1461 Kosmos-1461 14064 1983-044A VMF May 7, 1983 93 min, 65.0° Inactive ◉
COSMOS 1405 Kosmos-1405 13508 1982-088A VMF Sep 4, 1982 88 min, 65.0° Reentered ◉
COSMOS 1306 DEB deb Kosmos-1306 13369 1981-089C VMF Jul 12, 1982 89 min, 64.9° Reentered ◉
COSMOS 1355 Kosmos-1355 13150 1982-038A VMF Apr 29, 1982 88 min, 65.0° Reentered ◉
COSMOS 1337 Kosmos-1337 13061 1982-010A VMF Feb 11, 1982 88 min, 65.0° Reentered ◉
COSMOS 1306 DEB Kosmos-1306 main debris 13387 1981-089D VMF Sep 14, 1981 88 min, 64.9° Reentered ◉
COSMOS 1306 Kosmos-1306 12828 1981-089A VMF Sep 14, 1981 92 min, 64.9° Reentered ◉
COSMOS 1286 Kosmos-1286 12631 1981-072A VMF Aug 4, 1981 89 min, 65.0° Reentered ◉
COSMOS 1260 Kosmos-1260 12364 1981-028A VMF Mar 20, 1981 88 min, 65.0° Reentered ◉
COSMOS 1220 Kosmos-1220 12054 1980-089A VMF Nov 4, 1980 88 min, 64.9° Reentered ◉
COSMOS 1167 Kosmos-1167 11729 1980-021A VMF Mar 14, 1980 88 min, 65.0° Reentered ◉
COSMOS 1096 Kosmos-1096 11346 1979-036A VMF Apr 25, 1979 90 min, 65.1° Reentered ◉
COSMOS 1094 Kosmos-1094 11333 1979-033A VMF Apr 18, 1979 88 min, 65.0° Reentered ◉
COSMOS 937 Kosmos-937 10278 1977-077A VMF Aug 24, 1977 89 min, 65.0° Reentered ◉
COSMOS 868 Kosmos-868 09561 1976-113A ARSL Nov 26, 1976 89 min, 65.0° Reentered ◉
COSMOS 838 Kosmos-838 08932 1976-063A ARSL Jul 2, 1976 93 min, 65.1° Reentered ◉
COSMOS 777 Kosmos-777 08416 1975-102A ARSL Oct 29, 1975 89 min, 65.1° Reentered ◉
COSMOS 699 Kosmos-699 07587 1974-103A ARSL Dec 24, 1974 88 min, 65.0° Reentered ◉

Frequently asked questions

How many US-P satellites are there?

The catalog lists 52 objects built on the US-P bus. 1 are in orbit and 51 have reentered.

How many US-P satellites are in orbit?

1 US-P objects are currently in orbit, of which 0 carry an active status.

Who builds the US-P bus?

The US-P bus is most commonly built by ARSL/KOMET.

When did the first US-P satellite launch?

The first cataloged US-P satellite launched in 1974, and the most recent in 2006.

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Satellite data compiled by KeepTrack from CelesTrak, Space-Track, and GCAT, provided under CC BY-NC 4.0.