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 |
| 2025 Dec 28 18:57 | 2025 Dec 26 04:55:37 | 52.0045 | 0.02758 | 0.1124 | 210.1164 | 148.3652 | 13.85752 | 8.743 |
| 2025 Dec 27 18:57 | 2025 Dec 26 04:55:37 | 52.0045 | 0.02758 | 0.1124 | 210.1164 | 148.3652 | 13.85752 | 8.743 |
| 2025 Dec 26 18:56 | 2025 Dec 26 04:55:37 | 52.0045 | 0.02758 | 0.1124 | 210.1164 | 148.3652 | 13.85752 | 8.743 |
| 2025 Dec 25 18:57 | 2025 Dec 20 06:59:32 | 52.0040 | 0.02760 | 1.6067 | 193.8226 | 148.3652 | 13.85752 | 8.743 |
| 2025 Dec 24 18:56 | 2025 Dec 20 06:59:32 | 52.0040 | 0.02760 | 1.6067 | 193.8226 | 148.3652 | 13.85752 | 8.743 |
| 2025 Dec 23 18:56 | 2025 Dec 20 06:59:32 | 52.0040 | 0.02760 | 1.6067 | 193.8226 | 148.3652 | 13.85752 | 8.743 |
| 2025 Dec 22 18:57 | 2025 Dec 20 06:59:32 | 52.0040 | 0.02760 | 1.6067 | 193.8226 | 148.3652 | 13.85752 | 8.743 |
| 2025 Dec 21 18:57 | 2025 Dec 20 06:59:32 | 52.0040 | 0.02760 | 1.6067 | 193.8226 | 148.3652 | 13.85752 | 8.743 |
| 2025 Dec 20 18:57 | 2025 Dec 20 06:59:32 | 52.0040 | 0.02760 | 1.6067 | 193.8226 | 148.3652 | 13.85752 | 8.743 |
| 2025 Dec 19 18:57 | 2025 Dec 12 05:07:51 | 52.0034 | 0.02763 | 3.6479 | 171.5900 | 148.3652 | 13.85752 | 8.743 |
| 2025 Dec 18 18:57 | 2025 Dec 12 05:07:51 | 52.0034 | 0.02763 | 3.6479 | 171.5900 | 148.3652 | 13.85752 | 8.743 |
| 2025 Dec 17 18:58 | 2025 Dec 12 05:07:51 | 52.0034 | 0.02763 | 3.6479 | 171.5900 | 148.3652 | 13.85752 | 8.743 |
| 2025 Dec 16 18:57 | 2025 Dec 12 05:07:51 | 52.0034 | 0.02763 | 3.6479 | 171.5900 | 148.3652 | 13.85752 | 8.743 |
| 2025 Dec 15 18:58 | 2025 Dec 12 05:07:51 | 52.0034 | 0.02763 | 3.6479 | 171.5900 | 148.3652 | 13.85752 | 8.743 |
| 2025 Dec 14 18:56 | 2025 Dec 12 05:07:51 | 52.0034 | 0.02763 | 3.6479 | 171.5900 | 148.3652 | 13.85752 | 8.743 |
| 2025 Dec 13 18:56 | 2025 Dec 12 05:07:51 | 52.0034 | 0.02763 | 3.6479 | 171.5900 | 148.3652 | 13.85752 | 8.743 |
| 2025 Dec 12 18:57 | 2025 Dec 12 05:07:51 | 52.0034 | 0.02763 | 3.6479 | 171.5900 | 148.3652 | 13.85752 | 8.743 |
| 2025 Dec 11 18:56 | 2025 Dec 07 05:41:52 | 52.0028 | 0.02765 | 4.9054 | 157.8987 | 148.3652 | 13.85752 | 8.743 |
| 2025 Dec 10 18:56 | 2025 Dec 07 05:41:52 | 52.0028 | 0.02765 | 4.9054 | 157.8987 | 148.3652 | 13.85752 | 8.743 |
| 2025 Dec 09 18:56 | 2025 Dec 07 05:41:52 | 52.0028 | 0.02765 | 4.9054 | 157.8987 | 148.3652 | 13.85752 | 8.743 |
| 2025 Dec 08 18:56 | 2025 Dec 07 05:41:52 | 52.0028 | 0.02765 | 4.9054 | 157.8987 | 148.3652 | 13.85752 | 8.743 |
| 2025 Dec 07 18:56 | 2025 Dec 07 05:41:52 | 52.0028 | 0.02765 | 4.9054 | 157.8987 | 148.3652 | 13.85752 | 8.743 |
| 2025 Dec 06 18:56 | 2025 Dec 02 11:27:26 | 52.0017 | 0.02767 | 6.1083 | 144.8133 | 148.3652 | 13.85752 | 8.743 |
| 2025 Dec 05 18:57 | 2025 Dec 02 11:27:26 | 52.0017 | 0.02767 | 6.1083 | 144.8133 | 148.3652 | 13.85752 | 8.743 |
| 2025 Dec 04 18:57 | 2025 Dec 02 11:27:26 | 52.0017 | 0.02767 | 6.1083 | 144.8133 | 148.3652 | 13.85752 | 8.743 |
| 2025 Dec 03 18:56 | 2025 Dec 02 11:27:26 | 52.0017 | 0.02767 | 6.1083 | 144.8133 | 148.3652 | 13.85752 | 8.743 |
| 2025 Dec 02 18:56 | 2025 Dec 02 11:27:26 | 52.0017 | 0.02767 | 6.1083 | 144.8133 | 148.3652 | 13.85752 | 8.743 |