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 |
| 2025 Aug 31 17:56 | 2025 Aug 27 17:12:00 | 79.8947 | 0.00967 | 15.8728 | 335.5786 | 24.0802 | 13.91705 | 7.743 |
| 2025 Aug 30 17:56 | 2025 Aug 27 17:12:00 | 79.8947 | 0.00967 | 15.8728 | 335.5786 | 24.0802 | 13.91705 | 7.743 |
| 2025 Aug 29 17:56 | 2025 Aug 27 17:12:00 | 79.8947 | 0.00967 | 15.8728 | 335.5786 | 24.0802 | 13.91705 | 7.743 |
| 2025 Aug 28 17:57 | 2025 Aug 27 17:12:00 | 79.8947 | 0.00967 | 15.8728 | 335.5786 | 24.0802 | 13.91705 | 7.743 |
| 2025 Aug 27 17:56 | 2025 Aug 23 06:13:32 | 79.8946 | 0.00969 | 16.1962 | 347.3133 | 24.0802 | 13.91705 | 7.743 |
| 2025 Aug 26 17:56 | 2025 Aug 23 06:13:32 | 79.8946 | 0.00969 | 16.1962 | 347.3133 | 24.0802 | 13.91705 | 7.743 |
| 2025 Aug 25 17:56 | 2025 Aug 23 06:13:32 | 79.8946 | 0.00969 | 16.1962 | 347.3133 | 24.0802 | 13.91705 | 7.743 |
| 2025 Aug 24 17:56 | 2025 Aug 23 06:13:32 | 79.8946 | 0.00969 | 16.1962 | 347.3133 | 24.0802 | 13.91705 | 7.743 |
| 2025 Aug 23 17:56 | 2025 Aug 23 06:13:32 | 79.8946 | 0.00969 | 16.1962 | 347.3133 | 24.0802 | 13.91705 | 7.743 |
| 2025 Aug 22 17:56 | 2025 Aug 17 19:05:45 | 79.8947 | 0.00971 | 16.5926 | 1.6837 | 24.0802 | 13.91705 | 7.743 |
| 2025 Aug 20 17:56 | 2025 Aug 17 19:05:45 | 79.8947 | 0.00971 | 16.5926 | 1.6837 | 24.0802 | 13.91705 | 7.743 |
| 2025 Aug 19 17:56 | 2025 Aug 17 19:05:45 | 79.8947 | 0.00971 | 16.5926 | 1.6837 | 24.0802 | 13.91705 | 7.743 |
| 2025 Aug 18 17:56 | 2025 Aug 17 19:05:45 | 79.8947 | 0.00971 | 16.5926 | 1.6837 | 24.0802 | 13.91705 | 7.743 |
| 2025 Aug 16 17:56 | 2025 Aug 11 19:53:17 | 79.8951 | 0.00972 | 17.0256 | 17.3524 | 24.0802 | 13.91705 | 7.743 |
| 2025 Aug 15 17:57 | 2025 Aug 11 19:53:17 | 79.8951 | 0.00972 | 17.0256 | 17.3524 | 24.0802 | 13.91705 | 7.743 |
| 2025 Aug 14 17:56 | 2025 Aug 11 19:53:17 | 79.8951 | 0.00972 | 17.0256 | 17.3524 | 24.0802 | 13.91705 | 7.743 |
| 2025 Aug 13 17:58 | 2025 Aug 11 19:53:17 | 79.8951 | 0.00972 | 17.0256 | 17.3524 | 24.0802 | 13.91705 | 7.743 |
| 2025 Aug 12 17:56 | 2025 Aug 11 19:53:17 | 79.8951 | 0.00972 | 17.0256 | 17.3524 | 24.0802 | 13.91705 | 7.743 |
| 2025 Aug 11 17:56 | 2025 Aug 06 20:50:09 | 79.8958 | 0.00974 | 17.3855 | 30.3649 | 24.0802 | 13.91705 | 7.743 |
| 2025 Aug 10 17:57 | 2025 Aug 06 20:50:09 | 79.8958 | 0.00974 | 17.3855 | 30.3649 | 24.0802 | 13.91705 | 7.743 |
| 2025 Aug 09 17:56 | 2025 Aug 06 20:50:09 | 79.8958 | 0.00974 | 17.3855 | 30.3649 | 24.0802 | 13.91705 | 7.743 |
| 2025 Aug 08 17:56 | 2025 Aug 06 20:50:09 | 79.8958 | 0.00974 | 17.3855 | 30.3649 | 24.0802 | 13.91705 | 7.743 |
| 2025 Aug 07 17:56 | 2025 Aug 06 20:50:09 | 79.8958 | 0.00974 | 17.3855 | 30.3649 | 24.0802 | 13.91705 | 7.743 |
| 2025 Aug 05 17:56 | 2025 Aug 01 13:09:22 | 79.8965 | 0.00976 | 17.7714 | 44.2876 | 24.0802 | 13.91705 | 7.743 |
| 2025 Aug 04 17:56 | 2025 Aug 01 13:09:22 | 79.8965 | 0.00976 | 17.7714 | 44.2876 | 24.0802 | 13.91705 | 7.743 |