Orbital elements of EXPLORER 27
| Launched | 28 April 1965 |
| Flight ended | – |
| Launch site | Wallops Island, Virginia, USA |
| Owner | United States |
| NORAD ID | 1328 |
| 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 24 18:58 | 2026 Jan 22 09:52:15 | 41.1849 | 0.02433 | 18.7351 | 267.8817 | 89.4062 | 13.38915 | 8.743 |
| 2026 Jan 22 18:56 | 2026 Jan 22 09:52:15 | 41.1849 | 0.02433 | 18.7351 | 267.8817 | 89.4062 | 13.38915 | 8.743 |
| 2026 Jan 21 18:56 | 2026 Jan 16 12:25:07 | 41.1858 | 0.02432 | 20.4162 | 237.3437 | 89.4062 | 13.38915 | 8.743 |
| 2026 Jan 20 19:06 | 2026 Jan 16 12:25:07 | 41.1858 | 0.02432 | 20.4162 | 237.3437 | 89.4062 | 13.38915 | 8.743 |
| 2026 Jan 19 18:57 | 2026 Jan 16 12:25:07 | 41.1858 | 0.02432 | 20.4162 | 237.3437 | 89.4062 | 13.38915 | 8.743 |
| 2026 Jan 18 18:57 | 2026 Jan 16 12:25:07 | 41.1858 | 0.02432 | 20.4162 | 237.3437 | 89.4062 | 13.38915 | 8.743 |
| 2026 Jan 17 18:56 | 2026 Jan 16 12:25:07 | 41.1858 | 0.02432 | 20.4162 | 237.3437 | 89.4062 | 13.38915 | 8.743 |
| 2026 Jan 16 18:57 | 2026 Jan 16 12:25:07 | 41.1858 | 0.02432 | 20.4162 | 237.3437 | 89.4062 | 13.38915 | 8.743 |
| 2026 Jan 15 18:56 | 2026 Jan 11 14:14:44 | 41.1860 | 0.02429 | 21.8206 | 211.8047 | 89.4062 | 13.38915 | 8.743 |
| 2026 Jan 13 18:56 | 2026 Jan 11 14:14:44 | 41.1860 | 0.02429 | 21.8206 | 211.8047 | 89.4062 | 13.38915 | 8.743 |
| 2026 Jan 11 18:57 | 2026 Jan 11 14:14:44 | 41.1860 | 0.02429 | 21.8206 | 211.8047 | 89.4062 | 13.38915 | 8.743 |
| 2026 Jan 10 18:57 | 2026 Jan 06 07:07:19 | 41.1856 | 0.02426 | 23.3315 | 184.2837 | 89.4062 | 13.38915 | 8.743 |
| 2026 Jan 09 18:57 | 2026 Jan 06 07:07:19 | 41.1856 | 0.02426 | 23.3315 | 184.2837 | 89.4062 | 13.38915 | 8.743 |
| 2026 Jan 08 18:56 | 2026 Jan 06 07:07:19 | 41.1856 | 0.02426 | 23.3315 | 184.2837 | 89.4062 | 13.38915 | 8.743 |
| 2026 Jan 07 18:57 | 2026 Jan 06 07:07:19 | 41.1856 | 0.02426 | 23.3315 | 184.2837 | 89.4062 | 13.38915 | 8.743 |
| 2026 Jan 06 18:56 | 2026 Jan 06 07:07:19 | 41.1856 | 0.02426 | 23.3315 | 184.2837 | 89.4062 | 13.38915 | 8.743 |
| 2026 Jan 05 18:57 | 2025 Dec 31 11:27:54 | 41.1848 | 0.02423 | 0.9913 | 153.9960 | 89.4062 | 13.38915 | 8.743 |
| 2026 Jan 04 18:56 | 2025 Dec 31 11:27:54 | 41.1848 | 0.02423 | 0.9913 | 153.9960 | 89.4062 | 13.38915 | 8.743 |
| 2026 Jan 03 18:57 | 2025 Dec 31 11:27:54 | 41.1848 | 0.02423 | 0.9913 | 153.9960 | 89.4062 | 13.38915 | 8.743 |
| 2026 Jan 01 18:56 | 2025 Dec 31 11:27:54 | 41.1848 | 0.02423 | 0.9913 | 153.9960 | 89.4062 | 13.38915 | 8.743 |
| 2025 Dec 31 18:57 | 2025 Dec 31 11:27:54 | 41.1848 | 0.02423 | 0.9913 | 153.9960 | 89.4062 | 13.38915 | 8.743 |
| 2025 Dec 30 18:56 | 2025 Dec 26 13:17:32 | 41.1843 | 0.02421 | 2.3958 | 128.3345 | 89.4062 | 13.38915 | 8.743 |
| 2025 Dec 29 18:56 | 2025 Dec 26 13:17:32 | 41.1843 | 0.02421 | 2.3958 | 128.3345 | 89.4062 | 13.38915 | 8.743 |
| 2025 Dec 28 18:57 | 2025 Dec 26 13:17:32 | 41.1843 | 0.02421 | 2.3958 | 128.3345 | 89.4062 | 13.38915 | 8.743 |