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 Mar 13 18:57 | 2026 Mar 10 09:29:34 | 79.8998 | 0.00967 | 1.7499 | 182.8326 | 177.2296 | 13.91769 | 7.743 |
| 2026 Mar 12 18:57 | 2026 Mar 10 09:29:34 | 79.8998 | 0.00967 | 1.7499 | 182.8326 | 177.2296 | 13.91769 | 7.743 |
| 2026 Mar 11 18:56 | 2026 Mar 10 09:29:34 | 79.8998 | 0.00967 | 1.7499 | 182.8326 | 177.2296 | 13.91769 | 7.743 |
| 2026 Mar 10 18:56 | 2026 Mar 10 09:29:34 | 79.8998 | 0.00967 | 1.7499 | 182.8326 | 177.2296 | 13.91769 | 7.743 |
| 2026 Mar 09 18:56 | 2026 Mar 04 08:33:49 | 79.8985 | 0.00965 | 2.1880 | 198.7172 | 177.2296 | 13.91769 | 7.743 |
| 2026 Mar 08 18:57 | 2026 Mar 04 08:33:49 | 79.8985 | 0.00965 | 2.1880 | 198.7172 | 177.2296 | 13.91769 | 7.743 |
| 2026 Mar 07 18:57 | 2026 Mar 04 08:33:49 | 79.8985 | 0.00965 | 2.1880 | 198.7172 | 177.2296 | 13.91769 | 7.743 |
| 2026 Mar 06 18:56 | 2026 Mar 04 08:33:49 | 79.8985 | 0.00965 | 2.1880 | 198.7172 | 177.2296 | 13.91769 | 7.743 |
| 2026 Mar 05 18:56 | 2026 Mar 04 08:33:49 | 79.8985 | 0.00965 | 2.1880 | 198.7172 | 177.2296 | 13.91769 | 7.743 |
| 2026 Mar 04 18:57 | 2026 Mar 04 08:33:49 | 79.8985 | 0.00965 | 2.1880 | 198.7172 | 177.2296 | 13.91769 | 7.743 |
| 2026 Mar 03 18:56 | 2026 Feb 26 09:21:35 | 79.8973 | 0.00964 | 2.6209 | 214.4606 | 177.2296 | 13.91769 | 7.743 |
| 2026 Mar 02 18:57 | 2026 Feb 26 09:21:35 | 79.8973 | 0.00964 | 2.6209 | 214.4606 | 177.2296 | 13.91769 | 7.743 |
| 2026 Mar 01 18:57 | 2026 Feb 26 09:21:35 | 79.8973 | 0.00964 | 2.6209 | 214.4606 | 177.2296 | 13.91769 | 7.743 |
| 2026 Feb 28 18:56 | 2026 Feb 26 09:21:35 | 79.8973 | 0.00964 | 2.6209 | 214.4606 | 177.2296 | 13.91769 | 7.743 |
| 2026 Feb 27 19:05 | 2026 Feb 26 09:21:35 | 79.8973 | 0.00964 | 2.6209 | 214.4606 | 177.2296 | 13.91769 | 7.743 |
| 2026 Feb 26 20:45 | 2026 Feb 26 09:21:35 | 79.8973 | 0.00964 | 2.6209 | 214.4606 | 177.2296 | 13.91769 | 7.743 |