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 |
| 2025 Dec 27 18:57 | 2025 Dec 26 13:17:32 | 41.1843 | 0.02421 | 2.3958 | 128.3345 | 233.9432 | 13.38912 | 8.743 |
| 2025 Dec 26 18:56 | 2025 Dec 26 13:17:32 | 41.1843 | 0.02421 | 2.3958 | 128.3345 | 233.9432 | 13.38912 | 8.743 |
| 2025 Dec 25 18:57 | 2025 Dec 20 14:02:59 | 41.1838 | 0.02420 | 4.0983 | 97.2081 | 233.9432 | 13.38912 | 8.743 |
| 2025 Dec 24 18:56 | 2025 Dec 20 14:02:59 | 41.1838 | 0.02420 | 4.0983 | 97.2081 | 233.9432 | 13.38912 | 8.743 |
| 2025 Dec 23 18:56 | 2025 Dec 20 14:02:59 | 41.1838 | 0.02420 | 4.0983 | 97.2081 | 233.9432 | 13.38912 | 8.743 |
| 2025 Dec 22 18:57 | 2025 Dec 20 14:02:59 | 41.1838 | 0.02420 | 4.0983 | 97.2081 | 233.9432 | 13.38912 | 8.743 |
| 2025 Dec 21 18:57 | 2025 Dec 20 14:02:59 | 41.1838 | 0.02420 | 4.0983 | 97.2081 | 233.9432 | 13.38912 | 8.743 |
| 2025 Dec 20 18:57 | 2025 Dec 20 14:02:59 | 41.1838 | 0.02420 | 4.0983 | 97.2081 | 233.9432 | 13.38912 | 8.743 |
| 2025 Dec 19 18:57 | 2025 Dec 12 07:17:39 | 41.1827 | 0.02421 | 6.4606 | 54.0180 | 233.9432 | 13.38912 | 8.743 |
| 2025 Dec 18 18:57 | 2025 Dec 12 07:17:39 | 41.1827 | 0.02421 | 6.4606 | 54.0180 | 233.9432 | 13.38912 | 8.743 |
| 2025 Dec 17 18:58 | 2025 Dec 12 07:17:39 | 41.1827 | 0.02421 | 6.4606 | 54.0180 | 233.9432 | 13.38912 | 8.743 |
| 2025 Dec 16 18:57 | 2025 Dec 12 07:17:39 | 41.1827 | 0.02421 | 6.4606 | 54.0180 | 233.9432 | 13.38912 | 8.743 |
| 2025 Dec 15 18:58 | 2025 Dec 12 07:17:39 | 41.1827 | 0.02421 | 6.4606 | 54.0180 | 233.9432 | 13.38912 | 8.743 |
| 2025 Dec 14 18:56 | 2025 Dec 12 07:17:39 | 41.1827 | 0.02421 | 6.4606 | 54.0180 | 233.9432 | 13.38912 | 8.743 |
| 2025 Dec 13 18:56 | 2025 Dec 12 07:17:39 | 41.1827 | 0.02421 | 6.4606 | 54.0180 | 233.9432 | 13.38912 | 8.743 |
| 2025 Dec 12 18:57 | 2025 Dec 12 07:17:39 | 41.1827 | 0.02421 | 6.4606 | 54.0180 | 233.9432 | 13.38912 | 8.743 |
| 2025 Dec 11 18:56 | 2025 Dec 07 07:19:16 | 41.1819 | 0.02424 | 7.8866 | 27.9612 | 233.9432 | 13.38912 | 8.743 |
| 2025 Dec 10 18:56 | 2025 Dec 07 07:19:16 | 41.1819 | 0.02424 | 7.8866 | 27.9612 | 233.9432 | 13.38912 | 8.743 |
| 2025 Dec 09 18:56 | 2025 Dec 07 07:19:16 | 41.1819 | 0.02424 | 7.8866 | 27.9612 | 233.9432 | 13.38912 | 8.743 |
| 2025 Dec 08 18:56 | 2025 Dec 07 07:19:16 | 41.1819 | 0.02424 | 7.8866 | 27.9612 | 233.9432 | 13.38912 | 8.743 |
| 2025 Dec 07 18:56 | 2025 Dec 07 07:19:16 | 41.1819 | 0.02424 | 7.8866 | 27.9612 | 233.9432 | 13.38912 | 8.743 |
| 2025 Dec 06 18:56 | 2025 Dec 02 12:43:09 | 41.1817 | 0.02428 | 9.2487 | 3.0990 | 233.9432 | 13.38912 | 8.743 |
| 2025 Dec 05 18:57 | 2025 Dec 02 12:43:09 | 41.1817 | 0.02428 | 9.2487 | 3.0990 | 233.9432 | 13.38912 | 8.743 |
| 2025 Dec 04 18:57 | 2025 Dec 02 12:43:09 | 41.1817 | 0.02428 | 9.2487 | 3.0990 | 233.9432 | 13.38912 | 8.743 |
| 2025 Dec 03 18:56 | 2025 Dec 02 12:43:09 | 41.1817 | 0.02428 | 9.2487 | 3.0990 | 233.9432 | 13.38912 | 8.743 |
| 2025 Dec 02 18:56 | 2025 Dec 02 12:43:09 | 41.1817 | 0.02428 | 9.2487 | 3.0990 | 233.9432 | 13.38912 | 8.743 |
| 2025 Nov 30 18:57 | 2025 Nov 25 07:01:30 | 41.1822 | 0.02434 | 11.3132 | 325.4773 | 233.9432 | 13.38912 | 8.743 |