Orbital elements of EXPLORER 11
| Launched | 26 April 1961 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 107 |
| 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 Jan 11 18:57 | 2026 Jan 11 14:41:59 | 28.7771 | 0.04976 | 9.2486 | 106.6249 | 258.9545 | 14.21162 | 7.743 |
| 2026 Jan 10 18:57 | 2026 Jan 06 03:12:39 | 28.7770 | 0.04977 | 11.3514 | 55.5624 | 258.9545 | 14.21162 | 7.743 |
| 2026 Jan 09 18:57 | 2026 Jan 06 03:12:39 | 28.7770 | 0.04977 | 11.3514 | 55.5624 | 258.9545 | 14.21162 | 7.743 |
| 2026 Jan 08 18:56 | 2026 Jan 06 03:12:39 | 28.7770 | 0.04977 | 11.3514 | 55.5624 | 258.9545 | 14.21162 | 7.743 |
| 2026 Jan 07 18:57 | 2026 Jan 06 03:12:39 | 28.7770 | 0.04977 | 11.3514 | 55.5624 | 258.9545 | 14.21162 | 7.743 |
| 2026 Jan 06 18:56 | 2026 Jan 06 03:12:39 | 28.7770 | 0.04977 | 11.3514 | 55.5624 | 258.9545 | 14.21162 | 7.743 |
| 2026 Jan 05 18:57 | 2025 Dec 31 15:42:13 | 28.7787 | 0.04978 | 13.4546 | 4.4719 | 258.9545 | 14.21162 | 7.743 |
| 2026 Jan 04 18:56 | 2025 Dec 31 15:42:13 | 28.7787 | 0.04978 | 13.4546 | 4.4719 | 258.9545 | 14.21162 | 7.743 |
| 2026 Jan 03 18:57 | 2025 Dec 31 15:42:13 | 28.7787 | 0.04978 | 13.4546 | 4.4719 | 258.9545 | 14.21162 | 7.743 |
| 2026 Jan 01 18:56 | 2025 Dec 31 15:42:13 | 28.7787 | 0.04978 | 13.4546 | 4.4719 | 258.9545 | 14.21162 | 7.743 |
| 2025 Dec 31 18:57 | 2025 Dec 31 15:42:13 | 28.7787 | 0.04978 | 13.4546 | 4.4719 | 258.9545 | 14.21162 | 7.743 |
| 2025 Dec 30 18:56 | 2025 Dec 26 07:33:50 | 28.7825 | 0.04981 | 15.5036 | 314.6695 | 258.9545 | 14.21162 | 7.743 |
| 2025 Dec 29 18:56 | 2025 Dec 26 07:33:50 | 28.7825 | 0.04981 | 15.5036 | 314.6695 | 258.9545 | 14.21162 | 7.743 |
| 2025 Dec 28 18:57 | 2025 Dec 26 07:33:50 | 28.7825 | 0.04981 | 15.5036 | 314.6695 | 258.9545 | 14.21162 | 7.743 |
| 2025 Dec 27 18:57 | 2025 Dec 26 07:33:50 | 28.7825 | 0.04981 | 15.5036 | 314.6695 | 258.9545 | 14.21162 | 7.743 |
| 2025 Dec 26 18:56 | 2025 Dec 26 07:33:50 | 28.7825 | 0.04981 | 15.5036 | 314.6695 | 258.9545 | 14.21162 | 7.743 |
| 2025 Dec 25 18:57 | 2025 Dec 20 01:31:07 | 28.7842 | 0.04983 | 17.9025 | 256.3877 | 258.9545 | 14.21162 | 7.743 |
| 2025 Dec 24 18:56 | 2025 Dec 20 01:31:07 | 28.7842 | 0.04983 | 17.9025 | 256.3877 | 258.9545 | 14.21162 | 7.743 |
| 2025 Dec 23 18:56 | 2025 Dec 20 01:31:07 | 28.7842 | 0.04983 | 17.9025 | 256.3877 | 258.9545 | 14.21162 | 7.743 |
| 2025 Dec 22 18:57 | 2025 Dec 20 01:31:07 | 28.7842 | 0.04983 | 17.9025 | 256.3877 | 258.9545 | 14.21162 | 7.743 |
| 2025 Dec 21 18:57 | 2025 Dec 20 01:31:07 | 28.7842 | 0.04983 | 17.9025 | 256.3877 | 258.9545 | 14.21162 | 7.743 |
| 2025 Dec 20 18:57 | 2025 Dec 20 01:31:07 | 28.7842 | 0.04983 | 17.9025 | 256.3877 | 258.9545 | 14.21162 | 7.743 |
| 2025 Dec 19 18:57 | 2025 Dec 12 04:43:43 | 28.7833 | 0.04986 | 20.9208 | 183.0587 | 258.9545 | 14.21162 | 7.743 |
| 2025 Dec 18 18:57 | 2025 Dec 12 04:43:43 | 28.7833 | 0.04986 | 20.9208 | 183.0587 | 258.9545 | 14.21162 | 7.743 |
| 2025 Dec 17 18:58 | 2025 Dec 12 04:43:43 | 28.7833 | 0.04986 | 20.9208 | 183.0587 | 258.9545 | 14.21162 | 7.743 |
| 2025 Dec 16 18:57 | 2025 Dec 12 04:43:43 | 28.7833 | 0.04986 | 20.9208 | 183.0587 | 258.9545 | 14.21162 | 7.743 |
| 2025 Dec 15 18:58 | 2025 Dec 12 04:43:43 | 28.7833 | 0.04986 | 20.9208 | 183.0587 | 258.9545 | 14.21162 | 7.743 |