Orbital elements of TDRS 4
| Launched | 12 March 1989 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 19883 |
| 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 Oct 22 17:56 | 2025 Oct 17 18:39:57 | 12.8315 | 0.00171 | 23.7584 | 296.3026 | 58.3960 | 0.98482 | 3.243 |
| 2025 Oct 21 17:56 | 2025 Oct 17 18:39:57 | 12.8315 | 0.00171 | 23.7584 | 296.3026 | 58.3960 | 0.98482 | 3.243 |
| 2025 Oct 20 17:56 | 2025 Oct 17 18:39:57 | 12.8315 | 0.00171 | 23.7584 | 296.3026 | 58.3960 | 0.98482 | 3.243 |
| 2025 Oct 19 17:56 | 2025 Oct 17 18:39:57 | 12.8315 | 0.00171 | 23.7584 | 296.3026 | 58.3960 | 0.98482 | 3.243 |
| 2025 Oct 18 17:56 | 2025 Oct 17 18:39:57 | 12.8315 | 0.00171 | 23.7584 | 296.3026 | 58.3960 | 0.98482 | 3.243 |
| 2025 Oct 17 17:56 | 2025 Oct 07 14:11:06 | 12.8323 | 0.00166 | 23.7621 | 296.4574 | 58.3960 | 0.98482 | 3.243 |
| 2025 Oct 16 17:56 | 2025 Oct 07 14:11:06 | 12.8323 | 0.00166 | 23.7621 | 296.4574 | 58.3960 | 0.98482 | 3.243 |
| 2025 Oct 15 17:56 | 2025 Oct 07 14:11:06 | 12.8323 | 0.00166 | 23.7621 | 296.4574 | 58.3960 | 0.98482 | 3.243 |
| 2025 Oct 14 17:56 | 2025 Oct 07 14:11:06 | 12.8323 | 0.00166 | 23.7621 | 296.4574 | 58.3960 | 0.98482 | 3.243 |
| 2025 Oct 12 17:56 | 2025 Oct 07 14:11:06 | 12.8323 | 0.00166 | 23.7621 | 296.4574 | 58.3960 | 0.98482 | 3.243 |
| 2025 Oct 11 17:57 | 2025 Oct 07 14:11:06 | 12.8323 | 0.00166 | 23.7621 | 296.4574 | 58.3960 | 0.98482 | 3.243 |
| 2025 Oct 09 17:56 | 2025 Oct 07 14:11:06 | 12.8323 | 0.00166 | 23.7621 | 296.4574 | 58.3960 | 0.98482 | 3.243 |
| 2025 Oct 08 17:56 | 2025 Oct 07 14:11:06 | 12.8323 | 0.00166 | 23.7621 | 296.4574 | 58.3960 | 0.98482 | 3.243 |
| 2025 Oct 07 17:56 | 2025 Oct 07 14:11:06 | 12.8323 | 0.00166 | 23.7621 | 296.4574 | 58.3960 | 0.98482 | 3.243 |
| 2025 Oct 05 17:56 | 2025 Sep 23 08:52:38 | 12.8333 | 0.00160 | 23.7673 | 296.1766 | 58.3960 | 0.98482 | 3.243 |
| 2025 Oct 04 17:57 | 2025 Sep 23 08:52:38 | 12.8333 | 0.00160 | 23.7673 | 296.1766 | 58.3960 | 0.98482 | 3.243 |
| 2025 Oct 03 17:57 | 2025 Sep 23 08:52:38 | 12.8333 | 0.00160 | 23.7673 | 296.1766 | 58.3960 | 0.98482 | 3.243 |
| 2025 Oct 02 17:56 | 2025 Sep 23 08:52:38 | 12.8333 | 0.00160 | 23.7673 | 296.1766 | 58.3960 | 0.98482 | 3.243 |
| 2025 Sep 30 17:56 | 2025 Sep 23 08:52:38 | 12.8333 | 0.00160 | 23.7673 | 296.1766 | 58.3960 | 0.98482 | 3.243 |
| 2025 Sep 29 17:56 | 2025 Sep 23 08:52:38 | 12.8333 | 0.00160 | 23.7673 | 296.1766 | 58.3960 | 0.98482 | 3.243 |
| 2025 Sep 28 17:56 | 2025 Sep 23 08:52:38 | 12.8333 | 0.00160 | 23.7673 | 296.1766 | 58.3960 | 0.98482 | 3.243 |
| 2025 Sep 27 17:56 | 2025 Sep 23 08:52:38 | 12.8333 | 0.00160 | 23.7673 | 296.1766 | 58.3960 | 0.98482 | 3.243 |
| 2025 Sep 26 17:56 | 2025 Sep 23 08:52:38 | 12.8333 | 0.00160 | 23.7673 | 296.1766 | 58.3960 | 0.98482 | 3.243 |