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 Jun 30 17:56 | 2025 Jun 29 18:50:34 | 90.0295 | 0.00942 | 1.3343 | 355.2786 | 15.8112 | 13.42555 | 8.743 |
| 2025 Jun 29 17:56 | 2025 Jun 29 03:16:42 | 90.0295 | 0.00943 | 1.3342 | 357.1295 | 15.8112 | 13.42555 | 8.743 |
| 2025 Jun 28 17:56 | 2025 Jun 27 20:20:09 | 90.0295 | 0.00944 | 1.3339 | 0.8028 | 15.8112 | 13.42555 | 8.743 |
| 2025 Jun 27 17:56 | 2025 Jun 27 01:22:05 | 90.0296 | 0.00945 | 1.3338 | 3.0452 | 15.8112 | 13.42555 | 8.743 |
| 2025 Jun 26 17:56 | 2025 Jun 25 08:19:47 | 90.0296 | 0.00947 | 1.3335 | 7.9153 | 15.8112 | 13.42555 | 8.743 |
| 2025 Jun 25 17:56 | 2025 Jun 25 01:04:04 | 90.0296 | 0.00947 | 1.3334 | 8.7796 | 15.8112 | 13.42555 | 8.743 |
| 2025 Jun 24 17:56 | 2025 Jun 23 08:02:05 | 90.0297 | 0.00949 | 1.3331 | 13.6334 | 15.8112 | 13.42555 | 8.743 |
| 2025 Jun 23 17:56 | 2025 Jun 22 20:29:39 | 90.0297 | 0.00949 | 1.3330 | 14.9996 | 15.8112 | 13.42555 | 8.743 |
| 2025 Jun 22 17:56 | 2025 Jun 21 14:05:13 | 90.0299 | 0.00950 | 1.3328 | 18.5842 | 15.8112 | 13.42555 | 8.743 |
| 2025 Jun 21 17:56 | 2025 Jun 20 20:11:55 | 90.0299 | 0.00951 | 1.3327 | 20.6944 | 15.8112 | 13.42555 | 8.743 |
| 2025 Jun 20 17:57 | 2025 Jun 19 03:33:53 | 90.0300 | 0.00953 | 1.3324 | 25.4816 | 15.8112 | 13.42555 | 8.743 |
| 2025 Jun 19 17:56 | 2025 Jun 18 19:54:21 | 90.0301 | 0.00953 | 1.3323 | 26.3839 | 15.8112 | 13.42555 | 8.743 |
| 2025 Jun 18 17:56 | 2025 Jun 17 20:39:10 | 90.0301 | 0.00954 | 1.3321 | 29.1109 | 15.8112 | 13.42555 | 8.743 |
| 2025 Jun 17 17:56 | 2025 Jun 16 19:36:51 | 90.0302 | 0.00955 | 1.3319 | 32.0532 | 15.8112 | 13.42555 | 8.743 |
| 2025 Jun 16 17:56 | 2025 Jun 15 20:21:34 | 90.0303 | 0.00956 | 1.3317 | 34.7797 | 15.8112 | 13.42555 | 8.743 |
| 2025 Jun 15 17:56 | 2025 Jun 14 15:51:10 | 90.0303 | 0.00957 | 1.3315 | 38.1248 | 15.8112 | 13.42555 | 8.743 |
| 2025 Jun 14 17:56 | 2025 Jun 13 14:54:20 | 90.0304 | 0.00957 | 1.3313 | 41.0487 | 15.8112 | 13.42555 | 8.743 |
| 2025 Jun 13 17:56 | 2025 Jun 12 15:41:43 | 90.0304 | 0.00958 | 1.3311 | 43.7619 | 15.8112 | 13.42555 | 8.743 |
| 2025 Jun 12 17:56 | 2025 Jun 12 13:54:50 | 90.0304 | 0.00958 | 1.3311 | 43.9704 | 15.8112 | 13.42555 | 8.743 |
| 2025 Jun 11 17:56 | 2025 Jun 10 15:23:12 | 90.0307 | 0.00959 | 1.3307 | 49.4020 | 15.8112 | 13.42555 | 8.743 |
| 2025 Jun 10 17:56 | 2025 Jun 09 16:10:42 | 90.0308 | 0.00960 | 1.3306 | 52.1037 | 15.8112 | 13.42555 | 8.743 |
| 2025 Jun 09 17:56 | 2025 Jun 08 14:51:31 | 90.0309 | 0.00961 | 1.3303 | 55.0561 | 15.8112 | 13.42555 | 8.743 |
| 2025 Jun 08 17:56 | 2025 Jun 07 20:58:06 | 90.0311 | 0.00961 | 1.3302 | 57.1452 | 15.8112 | 13.42555 | 8.743 |
| 2025 Jun 07 17:56 | 2025 Jun 06 21:43:07 | 90.0312 | 0.00961 | 1.3300 | 59.8555 | 15.8112 | 13.42555 | 8.743 |
| 2025 Jun 06 17:56 | 2025 Jun 05 22:59:07 | 90.0313 | 0.00962 | 1.3298 | 62.5086 | 15.8112 | 13.42555 | 8.743 |
| 2025 Jun 05 17:56 | 2025 Jun 04 18:02:33 | 90.0314 | 0.00962 | 1.3296 | 65.8833 | 15.8112 | 13.42555 | 8.743 |
| 2025 Jun 04 17:57 | 2025 Jun 03 15:13:29 | 90.0315 | 0.00963 | 1.3294 | 69.0060 | 15.8112 | 13.42555 | 8.743 |
| 2025 Jun 03 17:57 | 2025 Jun 03 04:50:23 | 90.0315 | 0.00963 | 1.3293 | 70.2168 | 15.8112 | 13.42555 | 8.743 |