Orbital elements of OPS 1427
| Launched | 9 June 1966 |
| Flight ended | – |
| Launch site | Wallops Island, Virginia, USA |
| Owner | United States |
| NORAD ID | 2201 |
| Alternative names |
OV3-4 |
| 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 May 18 17:57 | 2026 May 16 13:50:04 | 40.8939 | 0.22331 | 23.8156 | 339.5278 | 12.8115 | 10.10115 | – |
| 2026 May 17 17:57 | 2026 May 16 13:50:04 | 40.8939 | 0.22331 | 23.8156 | 339.5278 | 12.8115 | 10.10115 | – |
| 2026 May 16 17:56 | 2026 May 16 13:50:04 | 40.8939 | 0.22331 | 23.8156 | 339.5278 | 12.8115 | 10.10115 | – |
| 2026 May 15 17:57 | 2026 May 09 22:43:52 | 40.8991 | 0.22336 | 0.9044 | 319.4892 | 12.8115 | 10.10115 | – |
| 2026 May 14 17:58 | 2026 May 09 22:43:52 | 40.8991 | 0.22336 | 0.9044 | 319.4892 | 12.8115 | 10.10115 | – |
| 2026 May 13 17:58 | 2026 May 09 22:43:52 | 40.8991 | 0.22336 | 0.9044 | 319.4892 | 12.8115 | 10.10115 | – |
| 2026 May 12 17:58 | 2026 May 09 22:43:52 | 40.8991 | 0.22336 | 0.9044 | 319.4892 | 12.8115 | 10.10115 | – |
| 2026 May 11 17:56 | 2026 May 09 22:43:52 | 40.8991 | 0.22336 | 0.9044 | 319.4892 | 12.8115 | 10.10115 | – |
| 2026 May 10 17:57 | 2026 May 09 22:43:52 | 40.8991 | 0.22336 | 0.9044 | 319.4892 | 12.8115 | 10.10115 | – |
| 2026 May 09 17:57 | 2026 May 05 02:22:36 | 40.9024 | 0.22339 | 1.7004 | 304.8410 | 12.8115 | 10.10115 | – |
| 2026 May 08 17:57 | 2026 May 05 02:22:36 | 40.9024 | 0.22339 | 1.7004 | 304.8410 | 12.8115 | 10.10115 | – |
| 2026 May 07 17:58 | 2026 May 05 02:22:36 | 40.9024 | 0.22339 | 1.7004 | 304.8410 | 12.8115 | 10.10115 | – |
| 2026 May 06 17:57 | 2026 May 05 02:22:36 | 40.9024 | 0.22339 | 1.7004 | 304.8410 | 12.8115 | 10.10115 | – |
| 2026 May 05 17:57 | 2026 May 05 02:22:36 | 40.9024 | 0.22339 | 1.7004 | 304.8410 | 12.8115 | 10.10115 | – |
| 2026 May 04 17:57 | 2026 Apr 30 03:39:14 | 40.9046 | 0.22341 | 2.5124 | 289.8995 | 12.8115 | 10.10115 | – |
| 2026 May 03 17:57 | 2026 Apr 30 03:39:14 | 40.9046 | 0.22341 | 2.5124 | 289.8995 | 12.8115 | 10.10115 | – |
| 2026 May 02 17:57 | 2026 Apr 30 03:39:14 | 40.9046 | 0.22341 | 2.5124 | 289.8995 | 12.8115 | 10.10115 | – |
| 2026 May 01 17:56 | 2026 Apr 30 03:39:14 | 40.9046 | 0.22341 | 2.5124 | 289.8995 | 12.8115 | 10.10115 | – |
| 2026 Apr 30 17:56 | 2026 Apr 30 03:39:14 | 40.9046 | 0.22341 | 2.5124 | 289.8995 | 12.8115 | 10.10115 | – |
| 2026 Apr 29 17:57 | 2026 Apr 24 05:11:50 | 40.9042 | 0.22343 | 3.4868 | 271.9722 | 12.8115 | 10.10115 | – |
| 2026 Apr 28 17:56 | 2026 Apr 24 05:11:50 | 40.9042 | 0.22343 | 3.4868 | 271.9722 | 12.8115 | 10.10115 | – |
| 2026 Apr 27 17:58 | 2026 Apr 24 05:11:50 | 40.9042 | 0.22343 | 3.4868 | 271.9722 | 12.8115 | 10.10115 | – |
| 2026 Apr 26 17:58 | 2026 Apr 24 05:11:50 | 40.9042 | 0.22343 | 3.4868 | 271.9722 | 12.8115 | 10.10115 | – |
| 2026 Apr 25 17:58 | 2026 Apr 24 05:11:50 | 40.9042 | 0.22343 | 3.4868 | 271.9722 | 12.8115 | 10.10115 | – |
| 2026 Apr 24 17:59 | 2026 Apr 24 05:11:50 | 40.9042 | 0.22343 | 3.4868 | 271.9722 | 12.8115 | 10.10115 | – |
| 2026 Apr 23 17:57 | 2026 Apr 19 04:07:14 | 40.9023 | 0.22343 | 4.3150 | 256.7330 | 12.8115 | 10.10115 | – |
| 2026 Apr 22 17:57 | 2026 Apr 19 04:07:14 | 40.9023 | 0.22343 | 4.3150 | 256.7330 | 12.8115 | 10.10115 | – |
| 2026 Apr 21 17:57 | 2026 Apr 19 04:07:14 | 40.9023 | 0.22343 | 4.3150 | 256.7330 | 12.8115 | 10.10115 | – |