Orbital elements of OSCAR 31
| Launched | 24 August 1988 |
| Flight ended | – |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 19420 |
| 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 06 18:56 | 2025 Dec 06 08:23:47 | 90.0369 | 0.00925 | 1.3715 | 258.5139 | 111.8547 | 13.42583 | 8.743 |
| 2025 Dec 05 18:57 | 2025 Dec 05 04:02:48 | 90.0370 | 0.00925 | 1.3712 | 261.9459 | 111.8547 | 13.42583 | 8.743 |
| 2025 Dec 04 18:57 | 2025 Dec 04 04:48:49 | 90.0371 | 0.00925 | 1.3710 | 264.7621 | 111.8547 | 13.42583 | 8.743 |
| 2025 Dec 03 18:56 | 2025 Dec 03 03:31:40 | 90.0372 | 0.00924 | 1.3707 | 267.8245 | 111.8547 | 13.42583 | 8.743 |
| 2025 Dec 02 18:56 | 2025 Dec 02 09:35:47 | 90.0374 | 0.00924 | 1.3705 | 269.9957 | 111.8547 | 13.42583 | 8.743 |
| 2025 Nov 30 18:57 | 2025 Nov 30 15:16:41 | 90.0376 | 0.00924 | 1.3701 | 275.1231 | 111.8547 | 13.42583 | 8.743 |
| 2025 Nov 29 18:56 | 2025 Nov 29 04:57:48 | 90.0378 | 0.00924 | 1.3698 | 279.2808 | 111.8547 | 13.42583 | 8.743 |
| 2025 Nov 28 18:57 | 2025 Nov 28 01:52:57 | 90.0381 | 0.00924 | 1.3695 | 282.5608 | 111.8547 | 13.42583 | 8.743 |
| 2025 Nov 27 18:57 | 2025 Nov 27 02:41:17 | 90.0381 | 0.00924 | 1.3693 | 285.3738 | 111.8547 | 13.42583 | 8.743 |
| 2025 Nov 26 18:57 | 2025 Nov 26 10:30:20 | 90.0382 | 0.00924 | 1.3691 | 287.3385 | 111.8547 | 13.42583 | 8.743 |
| 2025 Nov 25 18:57 | 2025 Nov 25 04:22:04 | 90.0383 | 0.00924 | 1.3688 | 290.9972 | 111.8547 | 13.42583 | 8.743 |
| 2025 Nov 24 18:56 | 2025 Nov 24 10:12:25 | 90.0384 | 0.00924 | 1.3686 | 293.1975 | 111.8547 | 13.42583 | 8.743 |
| 2025 Nov 23 18:57 | 2025 Nov 23 04:01:00 | 90.0386 | 0.00925 | 1.3683 | 296.8559 | 111.8547 | 13.42583 | 8.743 |
| 2025 Nov 21 18:57 | 2025 Nov 21 03:43:09 | 90.0391 | 0.00926 | 1.3678 | 302.7028 | 111.8547 | 13.42583 | 8.743 |
| 2025 Nov 20 18:56 | 2025 Nov 20 04:16:15 | 90.0392 | 0.00926 | 1.3676 | 305.5413 | 111.8547 | 13.42583 | 8.743 |
| 2025 Nov 18 18:57 | 2025 Nov 18 06:01:19 | 90.0395 | 0.00927 | 1.3671 | 311.1329 | 111.8547 | 13.42583 | 8.743 |
| 2025 Nov 16 18:58 | 2025 Nov 15 14:07:27 | 90.0399 | 0.00928 | 1.3664 | 318.8501 | 111.8547 | 13.42583 | 8.743 |
| 2025 Nov 15 18:57 | 2025 Nov 15 09:47:20 | 90.0399 | 0.00929 | 1.3664 | 319.3682 | 111.8547 | 13.42583 | 8.743 |
| 2025 Nov 13 18:56 | 2025 Nov 13 11:16:49 | 90.0400 | 0.00930 | 1.3659 | 324.9827 | 111.8547 | 13.42583 | 8.743 |
| 2025 Nov 12 18:57 | 2025 Nov 12 05:06:37 | 90.0402 | 0.00931 | 1.3655 | 328.6148 | 111.8547 | 13.42583 | 8.743 |
| 2025 Nov 11 18:55 | 2025 Nov 11 05:53:17 | 90.0402 | 0.00932 | 1.3653 | 331.4152 | 111.8547 | 13.42583 | 8.743 |
| 2025 Nov 10 18:57 | 2025 Nov 08 15:43:28 | 90.0404 | 0.00934 | 1.3646 | 338.8822 | 111.8547 | 13.42583 | 8.743 |
| 2025 Nov 09 18:57 | 2025 Nov 08 15:43:28 | 90.0404 | 0.00934 | 1.3646 | 338.8822 | 111.8547 | 13.42583 | 8.743 |