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 Jul 31 17:56 | 2026 Jul 27 05:49:02 | 99.8841 | 0.00012 | 8.1043 | 254.0674 | 269.6649 | 13.46701 | – |
| 2026 Jul 30 17:57 | 2026 Jul 27 05:49:02 | 99.8841 | 0.00012 | 8.1043 | 254.0674 | 269.6649 | 13.46701 | – |
| 2026 Jul 29 17:57 | 2026 Jul 27 05:49:02 | 99.8841 | 0.00012 | 8.1043 | 254.0674 | 269.6649 | 13.46701 | – |
| 2026 Jul 28 17:57 | 2026 Jul 27 05:49:02 | 99.8841 | 0.00012 | 8.1043 | 254.0674 | 269.6649 | 13.46701 | – |
| 2026 Jul 27 17:57 | 2026 Jul 27 05:49:02 | 99.8841 | 0.00012 | 8.1043 | 254.0674 | 269.6649 | 13.46701 | – |
| 2026 Jul 26 17:56 | 2026 Jul 21 05:23:48 | 99.8846 | 0.00012 | 7.7087 | 278.9782 | 269.6649 | 13.46701 | – |
| 2026 Jul 25 17:57 | 2026 Jul 21 05:23:48 | 99.8846 | 0.00012 | 7.7087 | 278.9782 | 269.6649 | 13.46701 | – |
| 2026 Jul 24 17:56 | 2026 Jul 21 05:23:48 | 99.8846 | 0.00012 | 7.7087 | 278.9782 | 269.6649 | 13.46701 | – |
| 2026 Jul 23 17:57 | 2026 Jul 21 05:23:48 | 99.8846 | 0.00012 | 7.7087 | 278.9782 | 269.6649 | 13.46701 | – |
| 2026 Jul 22 17:57 | 2026 Jul 21 05:23:48 | 99.8846 | 0.00012 | 7.7087 | 278.9782 | 269.6649 | 13.46701 | – |
| 2026 Jul 21 17:57 | 2026 Jul 21 05:23:48 | 99.8846 | 0.00012 | 7.7087 | 278.9782 | 269.6649 | 13.46701 | – |
| 2026 Jul 20 17:57 | 2026 Jul 16 05:52:29 | 99.8853 | 0.00012 | 7.3812 | 298.8872 | 269.6649 | 13.46701 | – |
| 2026 Jul 19 19:06 | 2026 Jul 16 05:52:29 | 99.8853 | 0.00012 | 7.3812 | 298.8872 | 269.6649 | 13.46701 | – |
| 2026 Jul 19 17:57 | 2026 Jul 16 05:52:29 | 99.8853 | 0.00012 | 7.3812 | 298.8872 | 269.6649 | 13.46701 | – |
| 2026 Jul 18 17:57 | 2026 Jul 16 05:52:29 | 99.8853 | 0.00012 | 7.3812 | 298.8872 | 269.6649 | 13.46701 | – |
| 2026 Jul 17 17:57 | 2026 Jul 16 05:52:29 | 99.8853 | 0.00012 | 7.3812 | 298.8872 | 269.6649 | 13.46701 | – |
| 2026 Jul 16 17:56 | 2026 Jul 16 05:52:29 | 99.8853 | 0.00012 | 7.3812 | 298.8872 | 269.6649 | 13.46701 | – |
| 2026 Jul 15 17:57 | 2026 Jul 11 06:24:22 | 99.8861 | 0.00014 | 7.0539 | 316.2631 | 269.6649 | 13.46701 | – |
| 2026 Jul 14 17:56 | 2026 Jul 11 06:24:22 | 99.8861 | 0.00014 | 7.0539 | 316.2631 | 269.6649 | 13.46701 | – |
| 2026 Jul 13 17:56 | 2026 Jul 11 06:24:22 | 99.8861 | 0.00014 | 7.0539 | 316.2631 | 269.6649 | 13.46701 | – |
| 2026 Jul 12 17:56 | 2026 Jul 11 06:24:22 | 99.8861 | 0.00014 | 7.0539 | 316.2631 | 269.6649 | 13.46701 | – |
| 2026 Jul 11 17:56 | 2026 Jul 11 06:24:22 | 99.8861 | 0.00014 | 7.0539 | 316.2631 | 269.6649 | 13.46701 | – |
| 2026 Jul 09 17:56 | 2026 Jul 05 05:59:28 | 99.8866 | 0.00015 | 6.6582 | 335.9073 | 269.6649 | 13.46701 | – |
| 2026 Jul 08 17:56 | 2026 Jul 05 05:59:28 | 99.8866 | 0.00015 | 6.6582 | 335.9073 | 269.6649 | 13.46701 | – |
| 2026 Jul 07 17:56 | 2026 Jul 05 05:59:28 | 99.8866 | 0.00015 | 6.6582 | 335.9073 | 269.6649 | 13.46701 | – |
| 2026 Jul 06 17:57 | 2026 Jul 05 05:59:28 | 99.8866 | 0.00015 | 6.6582 | 335.9073 | 269.6649 | 13.46701 | – |
| 2026 Jul 05 17:56 | 2026 Jul 05 05:59:28 | 99.8866 | 0.00015 | 6.6582 | 335.9073 | 269.6649 | 13.46701 | – |
| 2026 Jul 04 17:56 | 2026 Jun 28 18:25:42 | 99.8872 | 0.00017 | 6.2319 | 352.2451 | 269.6649 | 13.46701 | – |