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 Jul 27 17:57 | 2026 Jul 27 05:03:57 | 79.8953 | 0.00971 | 15.6788 | 177.8657 | 182.2934 | 13.91798 | 7.743 |
| 2026 Jul 26 17:56 | 2026 Jul 21 02:24:52 | 79.8956 | 0.00969 | 16.1222 | 193.9147 | 182.2934 | 13.91798 | 7.743 |
| 2026 Jul 25 17:57 | 2026 Jul 21 02:24:52 | 79.8956 | 0.00969 | 16.1222 | 193.9147 | 182.2934 | 13.91798 | 7.743 |
| 2026 Jul 24 17:56 | 2026 Jul 21 02:24:52 | 79.8956 | 0.00969 | 16.1222 | 193.9147 | 182.2934 | 13.91798 | 7.743 |
| 2026 Jul 23 17:57 | 2026 Jul 21 02:24:52 | 79.8956 | 0.00969 | 16.1222 | 193.9147 | 182.2934 | 13.91798 | 7.743 |
| 2026 Jul 22 17:57 | 2026 Jul 21 02:24:52 | 79.8956 | 0.00969 | 16.1222 | 193.9147 | 182.2934 | 13.91798 | 7.743 |
| 2026 Jul 21 17:57 | 2026 Jul 21 02:24:52 | 79.8956 | 0.00969 | 16.1222 | 193.9147 | 182.2934 | 13.91798 | 7.743 |
| 2026 Jul 20 17:57 | 2026 Jul 16 05:05:35 | 79.8962 | 0.00967 | 16.4769 | 206.7791 | 182.2934 | 13.91798 | 7.743 |
| 2026 Jul 19 19:06 | 2026 Jul 16 05:05:35 | 79.8962 | 0.00967 | 16.4769 | 206.7791 | 182.2934 | 13.91798 | 7.743 |
| 2026 Jul 19 17:57 | 2026 Jul 16 05:05:35 | 79.8962 | 0.00967 | 16.4769 | 206.7791 | 182.2934 | 13.91798 | 7.743 |
| 2026 Jul 18 17:57 | 2026 Jul 16 05:05:35 | 79.8962 | 0.00967 | 16.4769 | 206.7791 | 182.2934 | 13.91798 | 7.743 |
| 2026 Jul 17 17:57 | 2026 Jul 16 05:05:35 | 79.8962 | 0.00967 | 16.4769 | 206.7791 | 182.2934 | 13.91798 | 7.743 |
| 2026 Jul 16 17:56 | 2026 Jul 16 05:05:35 | 79.8962 | 0.00967 | 16.4769 | 206.7791 | 182.2934 | 13.91798 | 7.743 |
| 2026 Jul 15 17:57 | 2026 Jul 11 04:19:17 | 79.8968 | 0.00965 | 16.8420 | 220.0563 | 182.2934 | 13.91798 | 7.743 |
| 2026 Jul 14 17:56 | 2026 Jul 11 04:19:17 | 79.8968 | 0.00965 | 16.8420 | 220.0563 | 182.2934 | 13.91798 | 7.743 |
| 2026 Jul 13 17:56 | 2026 Jul 11 04:19:17 | 79.8968 | 0.00965 | 16.8420 | 220.0563 | 182.2934 | 13.91798 | 7.743 |
| 2026 Jul 12 17:56 | 2026 Jul 11 04:19:17 | 79.8968 | 0.00965 | 16.8420 | 220.0563 | 182.2934 | 13.91798 | 7.743 |
| 2026 Jul 11 17:56 | 2026 Jul 11 04:19:17 | 79.8968 | 0.00965 | 16.8420 | 220.0563 | 182.2934 | 13.91798 | 7.743 |
| 2026 Jul 09 17:56 | 2026 Jul 05 05:07:15 | 79.8976 | 0.00964 | 17.2749 | 235.8267 | 182.2934 | 13.91798 | 7.743 |
| 2026 Jul 08 17:56 | 2026 Jul 05 05:07:15 | 79.8976 | 0.00964 | 17.2749 | 235.8267 | 182.2934 | 13.91798 | 7.743 |
| 2026 Jul 07 17:56 | 2026 Jul 05 05:07:15 | 79.8976 | 0.00964 | 17.2749 | 235.8267 | 182.2934 | 13.91798 | 7.743 |
| 2026 Jul 06 17:57 | 2026 Jul 05 05:07:15 | 79.8976 | 0.00964 | 17.2749 | 235.8267 | 182.2934 | 13.91798 | 7.743 |
| 2026 Jul 05 17:56 | 2026 Jul 05 05:07:15 | 79.8976 | 0.00964 | 17.2749 | 235.8267 | 182.2934 | 13.91798 | 7.743 |
| 2026 Jul 04 17:56 | 2026 Jun 29 07:38:45 | 79.8983 | 0.00962 | 17.7026 | 251.4263 | 182.2934 | 13.91798 | 7.743 |
| 2026 Jul 03 17:57 | 2026 Jun 29 07:38:45 | 79.8983 | 0.00962 | 17.7026 | 251.4263 | 182.2934 | 13.91798 | 7.743 |
| 2026 Jul 02 17:56 | 2026 Jun 29 07:38:45 | 79.8983 | 0.00962 | 17.7026 | 251.4263 | 182.2934 | 13.91798 | 7.743 |
| 2026 Jul 01 17:56 | 2026 Jun 29 07:38:45 | 79.8983 | 0.00962 | 17.7026 | 251.4263 | 182.2934 | 13.91798 | 7.743 |
| 2026 Jun 30 17:56 | 2026 Jun 29 07:38:45 | 79.8983 | 0.00962 | 17.7026 | 251.4263 | 182.2934 | 13.91798 | 7.743 |