Catalogue · 1,248 objects
Orbit class, mission and constellation are derived · methodology
Object type
Catalogue rows come from CelesTrak SATCAT; perigee, apogee and inclination shown here are catalogue values (the detail page shows the latest element set). Facet counts are computed live over the filtered set.
| HEO |
| 15,461 / 113,085 km |
| 32.95° |
| 23 May 1969 |
| United States |
| United States |
| ERS 29 (OV5-5) | 3950 | 1969-046A | Payload | Unknown | HEO | 16,684 / 112,017 km | 33.99° | 23 May 1969 | United States | United States |
| APOLLO 8 | 3626 | 1968-118A | Payload | Decayed | HEO | 215 / 544,356 km | 30.71° | 21 Dec 1968↓ 27 Dec 1968 | United States | United States |
| COSMOS 260Kosmos (Russian military / government) | 3619 | 1968-115A | Payload | Decayed | HEO | 215 / 39,586 km | 64.81° | 16 Dec 1968↓ 09 Jul 1973 | Russian Ministry of Defence | Russia |
| HEOS-A1 | 3595 | 1968-109A | Payload | Decayed | HEO | 21,119 / 201,687 km | 61.78° | 05 Dec 1968↓ 28 Oct 1975 | European Space Research Organization | — |
| ATLAS AGENA D R/B | 3145 | 1968-014B | Rocket body | Decayed | HEO | 173 / 145,722 km | 47.92° | 04 Mar 1968↓ 18 Jan 2011 | United States | United States |
| OGO 5 | 3138 | 1968-014A | Payload | Decayed | HEO | 105 / 45,567 km | 49.09° | 04 Mar 1968↓ 02 Jul 2011 | United States | United States |
| EXPLORER 34 (IMP-4) | 2817 | 1967-051A | Payload | Decayed | HEO | 1,593 / 209,613 km | 71.56° | 24 May 1967↓ 03 May 1969 | United States | United States |
| SL-6 R/B(2) | 2924 | 1967-046F | Rocket body | Decayed | HEO | 198 / 60,646 km | 51.98° | 16 May 1967↓ 14 Apr 1978 | Commonwealth of Independent States (former USSR) | Russia |
| COSMOS 159Kosmos (Russian military / government) | 2805 | 1967-046A | Payload | Decayed | HEO | 164 / 60,752 km | 51.83° | 16 May 1967↓ 06 Dec 1977 | Russian Ministry of Defence | Russia |
| VELA 7/8 INTERSTAGE | 60000 | 1967-040G | Debris | Inactive | HEO | 7,685 / 111,839 km | 17.37° | 28 Apr 1967 | United States | United States |
| TITAN 3C TRANSTAGE R/B | 2770 | 1967-040F | Rocket body | Inactive | HEO | 6,703 / 112,981 km | 14.44° | 28 Apr 1967 | United States | United States |
| ERS 27 (OV5-1) | 2769 | 1967-040E | Payload | Unknown | HEO | 9,968 / 109,725 km | 37.51° | 28 Apr 1967 | United States | United States |
| ERS 20 (OV5-3) | 2768 | 1967-040D | Payload | Unknown | HEO | 10,206 / 109,619 km | 35.12° | 28 Apr 1967 | United States | United States |
| ERS 18 | 2767 | 1967-040C | Payload | Unknown | HEO | 10,754 / 109,079 km | 35.17° | 28 Apr 1967 | United States | United States |
| OPS 6679 (VELA 8) | 2766 | 1967-040B | Payload | Unknown | HEO | 57,110 / 167,043 km | 36.49° | 28 Apr 1967 | United States | United States |
| OPS 6638 (VELA 7) | 2765 | 1967-040A | Payload | Unknown | HEO | 52,481 / 169,913 km | 41.69° | 28 Apr 1967 | United States | United States |
| INTELSAT 2-F1Intelsat fleet | 2514 | 1966-096A | Payload | Unknown | HEO | 3,222 / 37,186 km | 18.31° | 26 Oct 1966 | Intelsat | United States |
| MOLNIYA 1-4 | 2501 | 1966-092A | Payload | Decayed | HEO | 181 / 39,911 km | 64.98° | 20 Oct 1966↓ 11 Sept 1968 | Commonwealth of Independent States (former USSR) | Russia |
| EXPLORER 33 (AIMP-D) | 2258 | 1966-058A | Payload | Unknown | HEO | 265,679 / 480,762 km | 24.14° | 01 Jul 1966 | United States | United States |
| ATLAS AGENA D R/B | 2978 | 1966-049B | Rocket body | Decayed | HEO | 10,629 / 111,121 km | 72.03° | 07 Jun 1966↓ 29 Sept 1981 | United States | United States |
| OGO 3 | 2195 | 1966-049A | Payload | Decayed | HEO | 16,019 / 106,308 km | 76.32° | 07 Jun 1966↓ 14 Sept 1981 | United States | United States |
| TITAN 3C TRANSTAGE DEB | 34166 | 1965-108CZ | Debris | Inactive | HEO | 342 / 35,172 km | 25.12° | 21 Dec 1965 | United States | United States |
| MOLNIYA 1-2 | 1621 | 1965-080A | Payload | Decayed | HEO | 560 / 39,734 km | 64.93° | 14 Oct 1965↓ 17 Mar 1967 | Commonwealth of Independent States (former USSR) | Russia |
| ERS 17 | 1460 | 1965-058C | Payload | Decayed | HEO | 566 / 111,791 km | 36.88° | 20 Jul 1965↓ 01 Jul 1968 | United States | United States |
| OPS 6564 (VELA 6) | 1459 | 1965-058B | Payload | Unknown | HEO | 54,514 / 169,110 km | 41.62° | 20 Jul 1965 | United States | United States |
| OPS 6577 (VELA 5) | 1458 | 1965-058A | Payload | Unknown | HEO | 50,778 / 172,059 km | 29.88° | 20 Jul 1965 | United States | United States |
| EXPLORER 28 (IMP-3) | 1388 | 1965-042A | Payload | Decayed | HEO | 32,289 / 227,451 km | 53.61° | 29 May 1965↓ 04 Jul 1968 | United States | United States |
| DELTA 1 R/B(2) | 1318 | 1965-028B | Rocket body | Inactive | HEO | 1,416 / 37,049 km | 17.40° | 06 Apr 1965 | United States | United States |
| EXPLORER 21 (IMP-2) | 889 | 1964-060A | Payload | Decayed | HEO | 917 / 94,291 km | 33.72° | 04 Oct 1964↓ 30 Jan 1966 | United States | United States |
| OGO 1 | 879 | 1964-054A | Payload | Decayed | HEO | 345 / 141,789 km | 54.97° | 05 Sept 1964↓ 29 Aug 2020 | United States | United States |
| DELTA 1 R/B | 862 | 1964-047B | Rocket body | Inactive | HEO | 1,188 / 38,390 km | 16.63° | 19 Aug 1964 | United States | United States |
| ERS 13 | 838 | 1964-040C | Payload | Decayed | HEO | 319 / 103,994 km | 38.30° | 17 Jul 1964↓ 01 Jan 1966 | United States | United States |
| OPS 3674 (VELA 4) | 837 | 1964-040B | Payload | Unknown | HEO | 32,089 / 173,878 km | 48.46° | 17 Jul 1964 | United States | United States |
| OPS 3662 (VELA 3) | 836 | 1964-040A | Payload | Unknown | HEO | 44,350 / 162,134 km | 53.19° | 17 Jul 1964 | United States | United States |
| SL-3 R/B | 832 | 1964-038D | Rocket body | Decayed | HEO | 100 / 64,221 km | 65.84° | 10 Jul 1964↓ 24 Aug 1983 | Commonwealth of Independent States (former USSR) | Russia |
| ELEKTRON 4 | 830 | 1964-038B | Payload | Decayed | HEO | 64 / 64,925 km | 65.85° | 10 Jul 1964↓ 12 Oct 1983 | Commonwealth of Independent States (former USSR) | Russia |
| EXPLORER 18 (IMP-1) | 693 | 1963-046A | Payload | Decayed | HEO | 4,386 / 192,044 km | 35.19° | 27 Nov 1963↓ 30 Dec 1965 | United States | United States |
| VELA 1 | 692 | 1963-039C | Payload | Unknown | HEO | 48,562 / 170,602 km | 33.77° | 17 Oct 1963 | United States | United States |
| ERS 12 | 675 | 1963-039B | Payload | Decayed | HEO | 953 / 102,374 km | 35.90° | 17 Oct 1963↓ 05 Feb 1966 | United States | United States |
| VELA 2 | 674 | 1963-039A | Payload | Unknown | HEO | 33,707 / 184,057 km | 47.86° | 17 Oct 1963 | United States | United States |
| DELTA 1 R/B | 26558 | 1962-051B | Rocket body | Decayed | HEO | 135 / 98,346 km | 24.59° | 02 Oct 1962↓ 20 Dec 1987 | United States | United States |
| EXPLORER 14 (SERB 53A) | 432 | 1962-051A | Payload | Decayed | HEO | 23 / 98,756 km | 24.10° | 02 Oct 1962↓ 28 May 1988 | United States | United States |
| EXPLORER 12 | 170 | 1961-020A | Payload | Decayed | HEO | 693 / 76,977 km | 33.83° | 15 Aug 1961↓ 30 Sept 1963 | United States | United States |
| LUNA 3 | 21 | 1959-008A | Payload | Decayed | HEO | 500 / 499,998 km | 55.00° | 04 Oct 1959↓ 20 Apr 1960 | Commonwealth of Independent States (former USSR) | Russia |
| THOR ABLE R/B | 17 | 1959-004B | Rocket body | Decayed | HEO | 198 / 40,215 km | 47.10° | 07 Aug 1959↓ 30 Jun 1961 | United States | United States |
| EXPLORER 6 | 15 | 1959-004A | Payload | Decayed | HEO | 251 / 42,276 km | 46.95° | 07 Aug 1959↓ 30 Jun 1961 | United States | United States |