Orbital elements of EXPLORER 20
| Launched | 24 August 1964 |
| Flight ended | – |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 870 |
| Date fetched |
Epoch osculation |
Inc. [°] |
Ecc. | RA asc node [hr] |
Arg Peri. [°] |
Mean anom [°] |
Mean motion [rev/day] |
Abs. mag |
| Date fetched |
Epoch osculation |
Inc. [°] |
Ecc. | RA asc node [hr] |
Arg Peri. [°] |
Mean anom [°] |
Mean motion [rev/day] |
Abs. mag |
| 2026 May 25 17:57 | 2026 May 21 10:15:39 | 79.8968 | 0.00968 | 20.5244 | 354.3190 | 5.6859 | 13.91785 | 7.743 |
| 2026 May 24 17:57 | 2026 May 21 10:15:39 | 79.8968 | 0.00968 | 20.5244 | 354.3190 | 5.6859 | 13.91785 | 7.743 |
| 2026 May 23 17:58 | 2026 May 21 10:15:39 | 79.8968 | 0.00968 | 20.5244 | 354.3190 | 5.6859 | 13.91785 | 7.743 |
| 2026 May 22 17:57 | 2026 May 21 10:15:39 | 79.8968 | 0.00968 | 20.5244 | 354.3190 | 5.6859 | 13.91785 | 7.743 |
| 2026 May 21 17:57 | 2026 May 21 10:15:39 | 79.8968 | 0.00968 | 20.5244 | 354.3190 | 5.6859 | 13.91785 | 7.743 |
| 2026 May 20 17:57 | 2026 May 16 06:02:23 | 79.8967 | 0.00970 | 20.9000 | 7.9298 | 5.6859 | 13.91785 | 7.743 |
| 2026 May 19 17:58 | 2026 May 16 06:02:23 | 79.8967 | 0.00970 | 20.9000 | 7.9298 | 5.6859 | 13.91785 | 7.743 |
| 2026 May 18 17:57 | 2026 May 16 06:02:23 | 79.8967 | 0.00970 | 20.9000 | 7.9298 | 5.6859 | 13.91785 | 7.743 |
| 2026 May 17 17:57 | 2026 May 16 06:02:23 | 79.8967 | 0.00970 | 20.9000 | 7.9298 | 5.6859 | 13.91785 | 7.743 |
| 2026 May 16 17:56 | 2026 May 16 06:02:23 | 79.8967 | 0.00970 | 20.9000 | 7.9298 | 5.6859 | 13.91785 | 7.743 |
| 2026 May 15 17:57 | 2026 May 10 12:00:59 | 79.8970 | 0.00972 | 21.3173 | 23.0004 | 5.6859 | 13.91785 | 7.743 |
| 2026 May 14 17:58 | 2026 May 10 12:00:59 | 79.8970 | 0.00972 | 21.3173 | 23.0004 | 5.6859 | 13.91785 | 7.743 |
| 2026 May 13 17:58 | 2026 May 10 12:00:59 | 79.8970 | 0.00972 | 21.3173 | 23.0004 | 5.6859 | 13.91785 | 7.743 |
| 2026 May 12 17:58 | 2026 May 10 12:00:59 | 79.8970 | 0.00972 | 21.3173 | 23.0004 | 5.6859 | 13.91785 | 7.743 |
| 2026 May 11 17:56 | 2026 May 10 12:00:59 | 79.8970 | 0.00972 | 21.3173 | 23.0004 | 5.6859 | 13.91785 | 7.743 |
| 2026 May 10 17:57 | 2026 May 10 12:00:59 | 79.8970 | 0.00972 | 21.3173 | 23.0004 | 5.6859 | 13.91785 | 7.743 |
| 2026 May 09 17:57 | 2026 May 05 12:58:15 | 79.8974 | 0.00973 | 21.6773 | 35.9770 | 5.6859 | 13.91785 | 7.743 |
| 2026 May 08 17:57 | 2026 May 05 12:58:15 | 79.8974 | 0.00973 | 21.6773 | 35.9770 | 5.6859 | 13.91785 | 7.743 |
| 2026 May 07 17:58 | 2026 May 05 12:58:15 | 79.8974 | 0.00973 | 21.6773 | 35.9770 | 5.6859 | 13.91785 | 7.743 |
| 2026 May 06 17:57 | 2026 May 05 12:58:15 | 79.8974 | 0.00973 | 21.6773 | 35.9770 | 5.6859 | 13.91785 | 7.743 |
| 2026 May 05 17:57 | 2026 May 05 12:58:15 | 79.8974 | 0.00973 | 21.6773 | 35.9770 | 5.6859 | 13.91785 | 7.743 |
| 2026 May 04 17:57 | 2026 Apr 30 13:55:31 | 79.8980 | 0.00975 | 22.0372 | 48.9419 | 5.6859 | 13.91785 | 7.743 |
| 2026 May 03 17:57 | 2026 Apr 30 13:55:31 | 79.8980 | 0.00975 | 22.0372 | 48.9419 | 5.6859 | 13.91785 | 7.743 |
| 2026 May 02 17:57 | 2026 Apr 30 13:55:31 | 79.8980 | 0.00975 | 22.0372 | 48.9419 | 5.6859 | 13.91785 | 7.743 |
| 2026 May 01 17:56 | 2026 Apr 30 13:55:31 | 79.8980 | 0.00975 | 22.0372 | 48.9419 | 5.6859 | 13.91785 | 7.743 |
| 2026 Apr 30 17:56 | 2026 Apr 30 13:55:31 | 79.8980 | 0.00975 | 22.0372 | 48.9419 | 5.6859 | 13.91785 | 7.743 |
| 2026 Apr 29 17:57 | 2026 Apr 24 02:38:52 | 79.8988 | 0.00976 | 22.5066 | 65.8167 | 5.6859 | 13.91785 | 7.743 |
| 2026 Apr 28 17:56 | 2026 Apr 24 02:38:52 | 79.8988 | 0.00976 | 22.5066 | 65.8167 | 5.6859 | 13.91785 | 7.743 |