Orbital elements of TOPO 1
| Launched | 7 April 1970 |
| Flight ended | – |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 4363 |
| 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 Feb 05 18:58 | 2026 Feb 02 08:20:32 | 99.8928 | 0.00017 | 20.6007 | 349.1514 | 134.1332 | 13.46693 | – |
| 2026 Feb 04 18:57 | 2026 Feb 02 08:20:32 | 99.8928 | 0.00017 | 20.6007 | 349.1514 | 134.1332 | 13.46693 | – |
| 2026 Feb 03 18:56 | 2026 Feb 02 08:20:32 | 99.8928 | 0.00017 | 20.6007 | 349.1514 | 134.1332 | 13.46693 | – |
| 2026 Feb 02 18:56 | 2026 Feb 02 08:20:32 | 99.8928 | 0.00017 | 20.6007 | 349.1514 | 134.1332 | 13.46693 | – |
| 2026 Feb 01 18:56 | 2026 Jan 27 16:22:01 | 99.8928 | 0.00019 | 20.2279 | 2.6459 | 134.1332 | 13.46693 | – |
| 2026 Jan 31 18:56 | 2026 Jan 27 16:22:01 | 99.8928 | 0.00019 | 20.2279 | 2.6459 | 134.1332 | 13.46693 | – |
| 2026 Jan 30 18:57 | 2026 Jan 27 16:22:01 | 99.8928 | 0.00019 | 20.2279 | 2.6459 | 134.1332 | 13.46693 | – |