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 Jun 30 17:56 | 2025 Jun 28 11:18:29 | 79.8990 | 0.00978 | 20.2432 | 133.2180 | 227.7200 | 13.91694 | 7.743 |
| 2025 Jun 29 17:56 | 2025 Jun 28 11:18:29 | 79.8990 | 0.00978 | 20.2432 | 133.2180 | 227.7200 | 13.91694 | 7.743 |
| 2025 Jun 28 17:56 | 2025 Jun 28 11:18:29 | 79.8990 | 0.00978 | 20.2432 | 133.2180 | 227.7200 | 13.91694 | 7.743 |
| 2025 Jun 27 17:56 | 2025 Jun 23 07:04:36 | 79.8985 | 0.00977 | 20.6186 | 146.7282 | 227.7200 | 13.91694 | 7.743 |
| 2025 Jun 26 17:56 | 2025 Jun 23 07:04:36 | 79.8985 | 0.00977 | 20.6186 | 146.7282 | 227.7200 | 13.91694 | 7.743 |
| 2025 Jun 25 17:56 | 2025 Jun 23 07:04:36 | 79.8985 | 0.00977 | 20.6186 | 146.7282 | 227.7200 | 13.91694 | 7.743 |
| 2025 Jun 24 17:56 | 2025 Jun 23 07:04:36 | 79.8985 | 0.00977 | 20.6186 | 146.7282 | 227.7200 | 13.91694 | 7.743 |
| 2025 Jun 23 17:56 | 2025 Jun 23 07:04:36 | 79.8985 | 0.00977 | 20.6186 | 146.7282 | 227.7200 | 13.91694 | 7.743 |
| 2025 Jun 22 17:56 | 2025 Jun 17 09:35:26 | 79.8982 | 0.00975 | 21.0463 | 162.1350 | 227.7200 | 13.91694 | 7.743 |
| 2025 Jun 21 17:56 | 2025 Jun 17 09:35:26 | 79.8982 | 0.00975 | 21.0463 | 162.1350 | 227.7200 | 13.91694 | 7.743 |
| 2025 Jun 20 17:57 | 2025 Jun 17 09:35:26 | 79.8982 | 0.00975 | 21.0463 | 162.1350 | 227.7200 | 13.91694 | 7.743 |
| 2025 Jun 19 17:56 | 2025 Jun 17 09:35:26 | 79.8982 | 0.00975 | 21.0463 | 162.1350 | 227.7200 | 13.91694 | 7.743 |
| 2025 Jun 18 17:56 | 2025 Jun 17 09:35:26 | 79.8982 | 0.00975 | 21.0463 | 162.1350 | 227.7200 | 13.91694 | 7.743 |
| 2025 Jun 17 17:56 | 2025 Jun 17 09:35:26 | 79.8982 | 0.00975 | 21.0463 | 162.1350 | 227.7200 | 13.91694 | 7.743 |
| 2025 Jun 16 17:56 | 2025 Jun 11 19:00:22 | 79.8980 | 0.00973 | 21.4531 | 176.8435 | 227.7200 | 13.91694 | 7.743 |
| 2025 Jun 15 17:56 | 2025 Jun 11 19:00:22 | 79.8980 | 0.00973 | 21.4531 | 176.8435 | 227.7200 | 13.91694 | 7.743 |
| 2025 Jun 14 17:56 | 2025 Jun 11 19:00:22 | 79.8980 | 0.00973 | 21.4531 | 176.8435 | 227.7200 | 13.91694 | 7.743 |
| 2025 Jun 13 17:56 | 2025 Jun 11 19:00:22 | 79.8980 | 0.00973 | 21.4531 | 176.8435 | 227.7200 | 13.91694 | 7.743 |
| 2025 Jun 12 17:56 | 2025 Jun 11 19:00:22 | 79.8980 | 0.00973 | 21.4531 | 176.8435 | 227.7200 | 13.91694 | 7.743 |
| 2025 Jun 11 17:56 | 2025 Jun 05 14:37:04 | 79.8976 | 0.00971 | 21.9017 | 193.0703 | 227.7200 | 13.91694 | 7.743 |
| 2025 Jun 10 17:56 | 2025 Jun 05 14:37:04 | 79.8976 | 0.00971 | 21.9017 | 193.0703 | 227.7200 | 13.91694 | 7.743 |
| 2025 Jun 09 17:56 | 2025 Jun 05 14:37:04 | 79.8976 | 0.00971 | 21.9017 | 193.0703 | 227.7200 | 13.91694 | 7.743 |
| 2025 Jun 08 17:56 | 2025 Jun 05 14:37:04 | 79.8976 | 0.00971 | 21.9017 | 193.0703 | 227.7200 | 13.91694 | 7.743 |
| 2025 Jun 07 17:56 | 2025 Jun 05 14:37:04 | 79.8976 | 0.00971 | 21.9017 | 193.0703 | 227.7200 | 13.91694 | 7.743 |
| 2025 Jun 06 17:56 | 2025 Jun 05 14:37:04 | 79.8976 | 0.00971 | 21.9017 | 193.0703 | 227.7200 | 13.91694 | 7.743 |
| 2025 Jun 05 17:56 | 2025 Jun 01 13:59:34 | 79.8976 | 0.00969 | 22.1938 | 203.6799 | 227.7200 | 13.91694 | 7.743 |
| 2025 Jun 04 17:57 | 2025 Jun 01 13:59:34 | 79.8976 | 0.00969 | 22.1938 | 203.6799 | 227.7200 | 13.91694 | 7.743 |
| 2025 Jun 03 17:57 | 2025 Jun 01 13:59:34 | 79.8976 | 0.00969 | 22.1938 | 203.6799 | 227.7200 | 13.91694 | 7.743 |