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 May 08 17:56 | 2025 May 03 14:38:23 | 79.9004 | 0.00965 | 0.2957 | 280.3716 | 78.6575 | 13.91680 | 7.743 |
| 2025 May 07 17:56 | 2025 May 03 14:38:23 | 79.9004 | 0.00965 | 0.2957 | 280.3716 | 78.6575 | 13.91680 | 7.743 |
| 2025 May 06 17:57 | 2025 May 03 14:38:23 | 79.9004 | 0.00965 | 0.2957 | 280.3716 | 78.6575 | 13.91680 | 7.743 |
| 2025 May 05 17:56 | 2025 May 03 14:38:23 | 79.9004 | 0.00965 | 0.2957 | 280.3716 | 78.6575 | 13.91680 | 7.743 |
| 2025 May 04 17:57 | 2025 May 03 14:38:23 | 79.9004 | 0.00965 | 0.2957 | 280.3716 | 78.6575 | 13.91680 | 7.743 |
| 2025 May 03 17:57 | 2025 May 03 14:38:23 | 79.9004 | 0.00965 | 0.2957 | 280.3716 | 78.6575 | 13.91680 | 7.743 |
| 2025 May 01 17:56 | 2025 Apr 22 04:17:45 | 79.9012 | 0.00968 | 1.1248 | 310.6279 | 78.6575 | 13.91680 | 7.743 |
| 2025 Apr 30 17:56 | 2025 Apr 22 04:17:45 | 79.9012 | 0.00968 | 1.1248 | 310.6279 | 78.6575 | 13.91680 | 7.743 |
| 2025 Apr 29 17:57 | 2025 Apr 22 04:17:45 | 79.9012 | 0.00968 | 1.1248 | 310.6279 | 78.6575 | 13.91680 | 7.743 |
| 2025 Apr 27 17:56 | 2025 Apr 22 04:17:45 | 79.9012 | 0.00968 | 1.1248 | 310.6279 | 78.6575 | 13.91680 | 7.743 |
| 2025 Apr 26 17:57 | 2025 Apr 22 04:17:45 | 79.9012 | 0.00968 | 1.1248 | 310.6279 | 78.6575 | 13.91680 | 7.743 |
| 2025 Apr 25 17:56 | 2025 Apr 22 04:17:45 | 79.9012 | 0.00968 | 1.1248 | 310.6279 | 78.6575 | 13.91680 | 7.743 |
| 2025 Apr 24 17:56 | 2025 Apr 22 04:17:45 | 79.9012 | 0.00968 | 1.1248 | 310.6279 | 78.6575 | 13.91680 | 7.743 |
| 2025 Apr 23 17:57 | 2025 Apr 22 04:17:45 | 79.9012 | 0.00968 | 1.1248 | 310.6279 | 78.6575 | 13.91680 | 7.743 |
| 2025 Apr 22 17:56 | 2025 Apr 22 04:17:45 | 79.9012 | 0.00968 | 1.1248 | 310.6279 | 78.6575 | 13.91680 | 7.743 |
| 2025 Apr 21 17:57 | 2025 Apr 15 20:27:27 | 79.9013 | 0.00970 | 1.5836 | 327.3236 | 78.6575 | 13.91680 | 7.743 |
| 2025 Apr 20 17:56 | 2025 Apr 15 20:27:27 | 79.9013 | 0.00970 | 1.5836 | 327.3236 | 78.6575 | 13.91680 | 7.743 |
| 2025 Apr 19 17:56 | 2025 Apr 15 20:27:27 | 79.9013 | 0.00970 | 1.5836 | 327.3236 | 78.6575 | 13.91680 | 7.743 |
| 2025 Apr 18 17:57 | 2025 Apr 15 20:27:27 | 79.9013 | 0.00970 | 1.5836 | 327.3236 | 78.6575 | 13.91680 | 7.743 |
| 2025 Apr 17 17:56 | 2025 Apr 15 20:27:27 | 79.9013 | 0.00970 | 1.5836 | 327.3236 | 78.6575 | 13.91680 | 7.743 |
| 2025 Apr 16 17:57 | 2025 Apr 15 20:27:27 | 79.9013 | 0.00970 | 1.5836 | 327.3236 | 78.6575 | 13.91680 | 7.743 |
| 2025 Apr 15 17:56 | 2025 Apr 11 12:55:53 | 79.9010 | 0.00972 | 1.8964 | 338.6718 | 78.6575 | 13.91680 | 7.743 |
| 2025 Apr 14 17:56 | 2025 Apr 11 12:55:53 | 79.9010 | 0.00972 | 1.8964 | 338.6718 | 78.6575 | 13.91680 | 7.743 |
| 2025 Apr 11 17:57 | 2025 Apr 11 12:55:53 | 79.9010 | 0.00972 | 1.8964 | 338.6718 | 78.6575 | 13.91680 | 7.743 |