Catalogue · 54 objects
Orbit class, mission and constellation are derived · methodology
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 |
| 149 / 70,247 km |
| 28.34° |
| 01 Apr 2026↓ 02 Apr 2026 |
| Germany |
| Germany |
| TDO-2 | 45464 | 2020-022A | Payload | Decayed | HEO | 201 / 35,460 km | 26.50° | 26 Mar 2020↓ 28 Sept 2022 | United States | United States |
| GENESIS SRC | 28453 | 2001-034D | Payload | Decayed | HEO | 5 / 1,373,247 km | 52.05° | 08 Aug 2001↓ 08 Sept 2004 | United States | United States |
| GRANAT | 20352 | 1989-096A | Payload | Decayed | HEO | 211 / 203,220 km | 48.79° | 01 Dec 1989↓ 25 May 1999 | Commonwealth of Independent States (former USSR) | Russia |
| PROGNOZ 10 | 15661 | 1985-033A | Payload | Decayed | HEO | 5,976 / 194,737 km | 76.76° | 26 Apr 1985↓ 12 Jan 1994 | Commonwealth of Independent States (former USSR) | Russia |
| AMPTE/UKS | 15201 | 1984-088C | Payload | Decayed | HEO | 1,002 / 113,409 km | 26.93° | 16 Aug 1984↓ 08 Dec 1988 | United Kingdom | United Kingdom |
| EXOSAT | 14095 | 1983-051A | Payload | Decayed | HEO | 109 / 191,100 km | 75.12° | 26 May 1983↓ 06 May 1986 | European Space Agency | — |
| PROGNOZ 8 | 12116 | 1980-103A | Payload | Decayed | HEO | 979 / 197,369 km | 65.83° | 25 Dec 1980↓ 28 Dec 1984 | Commonwealth of Independent States (former USSR) | Russia |
| PROGNOZ 7 | 11088 | 1978-101A | Payload | Decayed | HEO | 178 / 203,053 km | 69.55° | 30 Oct 1978↓ 22 Oct 1980 | Commonwealth of Independent States (former USSR) | Russia |
| ISEE-2 | 10423 | 1977-102B | Payload | Decayed | HEO | 224 / 137,956 km | 8.74° | 22 Oct 1977↓ 26 Sept 1987 | European Space Agency | — |
| ISEE-1 | 10422 | 1977-102A | Payload | Decayed | HEO | 221 / 137,961 km | 8.71° | 22 Oct 1977↓ 26 Sept 1987 | United States | United States |
| PROGNOZ 6 | 10370 | 1977-093A | Payload | Decayed | HEO | 180 / 197,857 km | 51.87° | 22 Sept 1977↓ 16 Jan 2019 | Commonwealth of Independent States (former USSR) | Russia |
| PROGNOZ 5 | 9557 | 1976-112A | Payload | Decayed | HEO | 4,136 / 194,893 km | 66.86° | 25 Nov 1976↓ 12 Jul 1979 | Commonwealth of Independent States (former USSR) | Russia |
| COS-B | 8062 | 1975-072A | Payload | Decayed | HEO | 9,985 / 89,409 km | 96.54° | 09 Aug 1975↓ 18 Jan 1986 | European Space Agency | — |
| EXPLORER 52 (HAWKEYE) | 7325 | 1974-040A | Payload | Decayed | HEO | 802 / 126,602 km | 83.07° | 03 Jun 1974↓ 30 Apr 1978 | United States | United States |
| MOLNIYA 1-25 | 6932 | 1973-089A | Payload | Decayed | HEO | 148 / 39,929 km | 64.71° | 14 Nov 1973↓ 05 Jun 1979 | Commonwealth of Independent States (former USSR) | Russia |
| MOLNIYA 2-7 | 6877 | 1973-076A | Payload | Decayed | HEO | 112 / 38,726 km | 64.10° | 19 Oct 1973↓ 08 Jul 1983 | Commonwealth of Independent States (former USSR) | Russia |
| MOLNIYA 1-24 | 6805 | 1973-061A | Payload | Decayed | HEO | 129 / 38,361 km | 64.86° | 30 Aug 1973↓ 05 Dec 1979 | Commonwealth of Independent States (former USSR) | Russia |
| MOLNIYA 2-5 | 6418 | 1973-018A | Payload | Decayed | HEO | 150 / 39,932 km | 64.85° | 05 Apr 1973↓ 06 Jan 1979 | Commonwealth of Independent States (former USSR) | Russia |
| PROGNOZ 3 | 6364 | 1973-009A | Payload | Decayed | HEO | 896 / 199,442 km | 65.00° | 15 Feb 1973↓ 10 Dec 1977 | Commonwealth of Independent States (former USSR) | Russia |
| MOLNIYA 1-23 | 6356 | 1973-007A | Payload | Decayed | HEO | 121 / 36,152 km | 64.57° | 03 Feb 1973↓ 23 Oct 1977 | Commonwealth of Independent States (former USSR) | Russia |
| MOLNIYA 2-4 | 6308 | 1972-098A | Payload | Decayed | HEO | 106 / 38,696 km | 65.55° | 12 Dec 1972↓ 14 Jan 1975 | Commonwealth of Independent States (former USSR) | Russia |
| MOLNIYA 1-21 | 6231 | 1972-081A | Payload | Decayed | HEO | 131 / 39,953 km | 64.23° | 14 Oct 1972↓ 01 Nov 1977 | Commonwealth of Independent States (former USSR) | Russia |
| MOLNIYA 2-3 | 6208 | 1972-075A | Payload | Decayed | HEO | 171 / 39,916 km | 64.81° | 30 Sept 1972↓ 12 Jan 1978 | Commonwealth of Independent States (former USSR) | Russia |
| PROGNOZ 2 | 6068 | 1972-046A | Payload | Decayed | HEO | 1,035 / 198,431 km | 66.35° | 29 Jun 1972↓ 16 Jan 1981 | Commonwealth of Independent States (former USSR) | Russia |
| MOLNIYA 2-2 | 6031 | 1972-037A | Payload | Decayed | HEO | 103 / 37,594 km | 64.86° | 19 May 1972↓ 22 Mar 1977 | Commonwealth of Independent States (former USSR) | Russia |
| PROGNOZ 1 | 5941 | 1972-029A | Payload | Decayed | HEO | 469 / 200,002 km | 64.93° | 14 Apr 1972↓ 19 Jan 1980 | Commonwealth of Independent States (former USSR) | Russia |
| HEOS-A2 | 5814 | 1972-005A | Payload | Decayed | HEO | 995 / 239,335 km | 90.00° | 31 Jan 1972↓ 03 Sept 1974 | European Space Research Organization | — |
| MOLNIYA 2-1 | 5620 | 1971-100A | Payload | Decayed | HEO | 181 / 40,102 km | 65.48° | 24 Nov 1971↓ 10 May 1976 | Commonwealth of Independent States (former USSR) | Russia |
| MOLNIYA 1-18 | 5367 | 1971-064A | Payload | Decayed | HEO | 89 / 35,800 km | 64.80° | 28 Jul 1971↓ 19 Jul 1977 | Commonwealth of Independent States (former USSR) | Russia |
| EXPLORER 43 (IMP-6) | 5043 | 1971-019A | Payload | Decayed | HEO | 2,391 / 202,789 km | 31.35° | 13 Mar 1971↓ 02 Oct 1974 | United States | United States |
| MOLNIYA 1-17 | 4829 | 1970-114A | Payload | Decayed | HEO | 433 / 39,918 km | 65.06° | 25 Dec 1970↓ 22 Dec 1975 | Commonwealth of Independent States (former USSR) | Russia |
| MOLNIYA 1-16 | 4779 | 1970-101A | Payload | Decayed | HEO | 202 / 40,140 km | 65.18° | 27 Nov 1970↓ 25 Nov 1975 | Commonwealth of Independent States (former USSR) | Russia |
| MOLNIYA 1-13 | 4336 | 1970-013A | Payload | Decayed | HEO | 151 / 39,874 km | 65.37° | 19 Feb 1970↓ 29 Sept 1975 | Commonwealth of Independent States (former USSR) | Russia |
| EXPLORER 41 (IMP-5) | 3990 | 1969-053A | Payload | Decayed | HEO | 3,926 / 172,901 km | 84.55° | 21 Jun 1969↓ 23 Dec 1972 | 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 |
| 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 | — |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| ERS 13 | 838 | 1964-040C | Payload | Decayed | HEO | 319 / 103,994 km | 38.30° | 17 Jul 1964↓ 01 Jan 1966 | United States | United States |
| 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 |
| ERS 12 | 675 | 1963-039B | Payload | Decayed | HEO | 953 / 102,374 km | 35.90° | 17 Oct 1963↓ 05 Feb 1966 | United States | United States |