Orbital elements of EXPLORER 16
| Launched | 15 December 1962 |
| Flight ended | – |
| Launch site | Wallops Island, Virginia, USA |
| Owner | United States |
| NORAD ID | 506 |
| 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 Apr 14 17:57 | 2026 Apr 12 22:58:13 | 52.0024 | 0.02763 | 20.8833 | 146.7548 | 215.1072 | 13.85778 | 8.743 |
| 2026 Apr 13 17:57 | 2026 Apr 12 22:58:13 | 52.0024 | 0.02763 | 20.8833 | 146.7548 | 215.1072 | 13.85778 | 8.743 |
| 2026 Apr 12 17:57 | 2026 Apr 08 08:11:37 | 52.0033 | 0.02763 | 22.0498 | 134.0689 | 215.1072 | 13.85778 | 8.743 |
| 2026 Apr 11 17:57 | 2026 Apr 08 08:11:37 | 52.0033 | 0.02763 | 22.0498 | 134.0689 | 215.1072 | 13.85778 | 8.743 |
| 2026 Apr 10 17:58 | 2026 Apr 08 08:11:37 | 52.0033 | 0.02763 | 22.0498 | 134.0689 | 215.1072 | 13.85778 | 8.743 |
| 2026 Apr 09 18:01 | 2026 Apr 08 08:11:37 | 52.0033 | 0.02763 | 22.0498 | 134.0689 | 215.1072 | 13.85778 | 8.743 |
| 2026 Apr 08 17:57 | 2026 Apr 08 08:11:37 | 52.0033 | 0.02763 | 22.0498 | 134.0689 | 215.1072 | 13.85778 | 8.743 |
| 2026 Apr 07 17:57 | 2026 Apr 02 01:36:20 | 52.0037 | 0.02764 | 23.6354 | 116.8309 | 215.1072 | 13.85778 | 8.743 |
| 2026 Apr 06 17:57 | 2026 Apr 02 01:36:20 | 52.0037 | 0.02764 | 23.6354 | 116.8309 | 215.1072 | 13.85778 | 8.743 |
| 2026 Apr 05 17:56 | 2026 Apr 02 01:36:20 | 52.0037 | 0.02764 | 23.6354 | 116.8309 | 215.1072 | 13.85778 | 8.743 |
| 2026 Apr 04 17:57 | 2026 Apr 02 01:36:20 | 52.0037 | 0.02764 | 23.6354 | 116.8309 | 215.1072 | 13.85778 | 8.743 |
| 2026 Apr 03 17:56 | 2026 Apr 02 01:36:20 | 52.0037 | 0.02764 | 23.6354 | 116.8309 | 215.1072 | 13.85778 | 8.743 |
| 2026 Apr 02 18:03 | 2026 Apr 02 01:36:20 | 52.0037 | 0.02764 | 23.6354 | 116.8309 | 215.1072 | 13.85778 | 8.743 |
| 2026 Mar 31 17:57 | 2026 Mar 26 12:05:32 | 52.0037 | 0.02764 | 1.2940 | 98.8029 | 215.1072 | 13.85778 | 8.743 |
| 2026 Mar 30 17:58 | 2026 Mar 26 12:05:32 | 52.0037 | 0.02764 | 1.2940 | 98.8029 | 215.1072 | 13.85778 | 8.743 |
| 2026 Mar 29 17:57 | 2026 Mar 26 12:05:32 | 52.0037 | 0.02764 | 1.2940 | 98.8029 | 215.1072 | 13.85778 | 8.743 |
| 2026 Mar 28 18:57 | 2026 Mar 26 12:05:32 | 52.0037 | 0.02764 | 1.2940 | 98.8029 | 215.1072 | 13.85778 | 8.743 |
| 2026 Mar 27 18:57 | 2026 Mar 26 12:05:32 | 52.0037 | 0.02764 | 1.2940 | 98.8029 | 215.1072 | 13.85778 | 8.743 |
| 2026 Mar 26 18:57 | 2026 Mar 26 12:05:32 | 52.0037 | 0.02764 | 1.2940 | 98.8029 | 215.1072 | 13.85778 | 8.743 |
| 2026 Mar 25 18:56 | 2026 Mar 20 07:13:55 | 52.0023 | 0.02764 | 2.8614 | 81.7663 | 215.1072 | 13.85778 | 8.743 |
| 2026 Mar 24 18:56 | 2026 Mar 20 07:13:55 | 52.0023 | 0.02764 | 2.8614 | 81.7663 | 215.1072 | 13.85778 | 8.743 |
| 2026 Mar 23 18:56 | 2026 Mar 20 07:13:55 | 52.0023 | 0.02764 | 2.8614 | 81.7663 | 215.1072 | 13.85778 | 8.743 |
| 2026 Mar 22 18:56 | 2026 Mar 20 07:13:55 | 52.0023 | 0.02764 | 2.8614 | 81.7663 | 215.1072 | 13.85778 | 8.743 |
| 2026 Mar 21 19:05 | 2026 Mar 20 07:13:55 | 52.0023 | 0.02764 | 2.8614 | 81.7663 | 215.1072 | 13.85778 | 8.743 |
| 2026 Mar 20 18:57 | 2026 Mar 20 07:13:55 | 52.0023 | 0.02764 | 2.8614 | 81.7663 | 215.1072 | 13.85778 | 8.743 |
| 2026 Mar 19 18:56 | 2026 Mar 15 09:31:39 | 52.0015 | 0.02763 | 4.1009 | 68.2909 | 215.1072 | 13.85778 | 8.743 |
| 2026 Mar 18 18:56 | 2026 Mar 15 09:31:39 | 52.0015 | 0.02763 | 4.1009 | 68.2909 | 215.1072 | 13.85778 | 8.743 |