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 |
| 2025 Dec 27 18:57 | 2025 Dec 26 05:47:04 | 99.8928 | 0.00026 | 18.0933 | 67.2316 | 85.3159 | 13.46691 | – |
| 2025 Dec 26 18:56 | 2025 Dec 26 05:47:04 | 99.8928 | 0.00026 | 18.0933 | 67.2316 | 85.3159 | 13.46691 | – |
| 2025 Dec 25 18:57 | 2025 Dec 20 14:07:04 | 99.8925 | 0.00027 | 17.7214 | 77.4441 | 85.3159 | 13.46691 | – |
| 2025 Dec 24 18:56 | 2025 Dec 20 14:07:04 | 99.8925 | 0.00027 | 17.7214 | 77.4441 | 85.3159 | 13.46691 | – |
| 2025 Dec 23 18:56 | 2025 Dec 20 14:07:04 | 99.8925 | 0.00027 | 17.7214 | 77.4441 | 85.3159 | 13.46691 | – |
| 2025 Dec 22 18:57 | 2025 Dec 20 14:07:04 | 99.8925 | 0.00027 | 17.7214 | 77.4441 | 85.3159 | 13.46691 | – |
| 2025 Dec 21 18:57 | 2025 Dec 20 14:07:04 | 99.8925 | 0.00027 | 17.7214 | 77.4441 | 85.3159 | 13.46691 | – |
| 2025 Dec 20 18:57 | 2025 Dec 20 14:07:04 | 99.8925 | 0.00027 | 17.7214 | 77.4441 | 85.3159 | 13.46691 | – |
| 2025 Dec 19 18:57 | 2025 Dec 12 06:24:54 | 99.8919 | 0.00027 | 17.1739 | 91.9708 | 85.3159 | 13.46691 | – |
| 2025 Dec 18 18:57 | 2025 Dec 12 06:24:54 | 99.8919 | 0.00027 | 17.1739 | 91.9708 | 85.3159 | 13.46691 | – |
| 2025 Dec 17 18:58 | 2025 Dec 12 06:24:54 | 99.8919 | 0.00027 | 17.1739 | 91.9708 | 85.3159 | 13.46691 | – |
| 2025 Dec 16 18:57 | 2025 Dec 12 06:24:54 | 99.8919 | 0.00027 | 17.1739 | 91.9708 | 85.3159 | 13.46691 | – |
| 2025 Dec 15 18:58 | 2025 Dec 12 06:24:54 | 99.8919 | 0.00027 | 17.1739 | 91.9708 | 85.3159 | 13.46691 | – |
| 2025 Dec 14 18:56 | 2025 Dec 12 06:24:54 | 99.8919 | 0.00027 | 17.1739 | 91.9708 | 85.3159 | 13.46691 | – |
| 2025 Dec 13 18:56 | 2025 Dec 12 06:24:54 | 99.8919 | 0.00027 | 17.1739 | 91.9708 | 85.3159 | 13.46691 | – |
| 2025 Dec 12 18:57 | 2025 Dec 12 06:24:54 | 99.8919 | 0.00027 | 17.1739 | 91.9708 | 85.3159 | 13.46691 | – |
| 2025 Dec 11 18:56 | 2025 Dec 07 05:20:10 | 99.8916 | 0.00026 | 16.8420 | 101.2375 | 85.3159 | 13.46691 | – |
| 2025 Dec 10 18:56 | 2025 Dec 07 05:20:10 | 99.8916 | 0.00026 | 16.8420 | 101.2375 | 85.3159 | 13.46691 | – |
| 2025 Dec 09 18:56 | 2025 Dec 07 05:20:10 | 99.8916 | 0.00026 | 16.8420 | 101.2375 | 85.3159 | 13.46691 | – |
| 2025 Dec 08 18:56 | 2025 Dec 07 05:20:10 | 99.8916 | 0.00026 | 16.8420 | 101.2375 | 85.3159 | 13.46691 | – |
| 2025 Dec 07 18:56 | 2025 Dec 07 05:20:10 | 99.8916 | 0.00026 | 16.8420 | 101.2375 | 85.3159 | 13.46691 | – |
| 2025 Dec 06 18:56 | 2025 Dec 02 07:29:50 | 99.8911 | 0.00026 | 16.5189 | 110.2457 | 85.3159 | 13.46691 | – |
| 2025 Dec 05 18:57 | 2025 Dec 02 07:29:50 | 99.8911 | 0.00026 | 16.5189 | 110.2457 | 85.3159 | 13.46691 | – |
| 2025 Dec 04 18:57 | 2025 Dec 02 07:29:50 | 99.8911 | 0.00026 | 16.5189 | 110.2457 | 85.3159 | 13.46691 | – |
| 2025 Dec 03 18:56 | 2025 Dec 02 07:29:50 | 99.8911 | 0.00026 | 16.5189 | 110.2457 | 85.3159 | 13.46691 | – |
| 2025 Dec 02 18:56 | 2025 Dec 02 07:29:50 | 99.8911 | 0.00026 | 16.5189 | 110.2457 | 85.3159 | 13.46691 | – |
| 2025 Nov 30 18:57 | 2025 Nov 25 07:51:22 | 99.8905 | 0.00025 | 16.0594 | 122.8040 | 85.3159 | 13.46691 | – |