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 Oct 14 17:56 | 2025 Oct 07 13:47:56 | 41.1847 | 0.02428 | 1.2097 | 72.2539 | 290.4550 | 13.38901 | 8.743 |
| 2025 Oct 12 17:56 | 2025 Oct 07 13:47:56 | 41.1847 | 0.02428 | 1.2097 | 72.2539 | 290.4550 | 13.38901 | 8.743 |
| 2025 Oct 11 17:57 | 2025 Oct 07 13:47:56 | 41.1847 | 0.02428 | 1.2097 | 72.2539 | 290.4550 | 13.38901 | 8.743 |
| 2025 Oct 09 17:56 | 2025 Oct 07 13:47:56 | 41.1847 | 0.02428 | 1.2097 | 72.2539 | 290.4550 | 13.38901 | 8.743 |
| 2025 Oct 08 17:56 | 2025 Oct 07 13:47:56 | 41.1847 | 0.02428 | 1.2097 | 72.2539 | 290.4550 | 13.38901 | 8.743 |
| 2025 Oct 07 17:56 | 2025 Oct 07 13:47:56 | 41.1847 | 0.02428 | 1.2097 | 72.2539 | 290.4550 | 13.38901 | 8.743 |
| 2025 Oct 05 17:56 | 2025 Sep 26 03:49:46 | 41.1837 | 0.02434 | 4.4659 | 12.7570 | 290.4550 | 13.38901 | 8.743 |
| 2025 Oct 04 17:57 | 2025 Sep 26 03:49:46 | 41.1837 | 0.02434 | 4.4659 | 12.7570 | 290.4550 | 13.38901 | 8.743 |
| 2025 Oct 03 17:57 | 2025 Sep 26 03:49:46 | 41.1837 | 0.02434 | 4.4659 | 12.7570 | 290.4550 | 13.38901 | 8.743 |
| 2025 Oct 02 17:56 | 2025 Sep 26 03:49:46 | 41.1837 | 0.02434 | 4.4659 | 12.7570 | 290.4550 | 13.38901 | 8.743 |
| 2025 Sep 30 17:56 | 2025 Sep 26 03:49:46 | 41.1837 | 0.02434 | 4.4659 | 12.7570 | 290.4550 | 13.38901 | 8.743 |
| 2025 Sep 29 17:56 | 2025 Sep 26 03:49:46 | 41.1837 | 0.02434 | 4.4659 | 12.7570 | 290.4550 | 13.38901 | 8.743 |
| 2025 Sep 28 17:56 | 2025 Sep 26 03:49:46 | 41.1837 | 0.02434 | 4.4659 | 12.7570 | 290.4550 | 13.38901 | 8.743 |
| 2025 Sep 27 17:56 | 2025 Sep 26 03:49:46 | 41.1837 | 0.02434 | 4.4659 | 12.7570 | 290.4550 | 13.38901 | 8.743 |
| 2025 Sep 26 17:56 | 2025 Sep 26 03:49:46 | 41.1837 | 0.02434 | 4.4659 | 12.7570 | 290.4550 | 13.38901 | 8.743 |
| 2025 Sep 25 17:56 | 2025 Sep 20 00:59:39 | 41.1833 | 0.02439 | 6.2111 | 340.9356 | 290.4550 | 13.38901 | 8.743 |
| 2025 Sep 24 17:56 | 2025 Sep 20 00:59:39 | 41.1833 | 0.02439 | 6.2111 | 340.9356 | 290.4550 | 13.38901 | 8.743 |
| 2025 Sep 20 17:56 | 2025 Sep 20 00:59:39 | 41.1833 | 0.02439 | 6.2111 | 340.9356 | 290.4550 | 13.38901 | 8.743 |
| 2025 Sep 19 17:56 | 2025 Sep 15 06:23:29 | 41.1835 | 0.02443 | 7.5732 | 316.1430 | 290.4550 | 13.38901 | 8.743 |
| 2025 Sep 18 17:56 | 2025 Sep 15 06:23:29 | 41.1835 | 0.02443 | 7.5732 | 316.1430 | 290.4550 | 13.38901 | 8.743 |