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 |
| 2025 Sep 15 17:56 | 2025 Sep 15 05:41:18 | 40.8936 | 0.22361 | 15.7918 | 323.4226 | 23.2351 | 10.10060 | – |
| 2025 Sep 12 17:57 | 2025 Sep 03 01:36:19 | 40.9010 | 0.22367 | 17.7905 | 286.6233 | 23.2351 | 10.10060 | – |
| 2025 Sep 11 17:57 | 2025 Sep 03 01:36:19 | 40.9010 | 0.22367 | 17.7905 | 286.6233 | 23.2351 | 10.10060 | – |
| 2025 Sep 10 17:56 | 2025 Sep 03 01:36:19 | 40.9010 | 0.22367 | 17.7905 | 286.6233 | 23.2351 | 10.10060 | – |
| 2025 Sep 08 17:57 | 2025 Sep 03 01:36:19 | 40.9010 | 0.22367 | 17.7905 | 286.6233 | 23.2351 | 10.10060 | – |
| 2025 Sep 07 17:56 | 2025 Sep 03 01:36:19 | 40.9010 | 0.22367 | 17.7905 | 286.6233 | 23.2351 | 10.10060 | – |
| 2025 Sep 06 20:41 | 2025 Sep 03 01:36:19 | 40.9010 | 0.22367 | 17.7905 | 286.6233 | 23.2351 | 10.10060 | – |
| 2025 Sep 03 17:57 | 2025 Sep 03 01:36:19 | 40.9010 | 0.22367 | 17.7905 | 286.6233 | 23.2351 | 10.10060 | – |
| 2025 Sep 02 17:56 | 2025 Aug 27 20:01:08 | 40.9030 | 0.22368 | 18.8138 | 267.7893 | 23.2351 | 10.10060 | – |
| 2025 Sep 01 17:56 | 2025 Aug 27 20:01:08 | 40.9030 | 0.22368 | 18.8138 | 267.7893 | 23.2351 | 10.10060 | – |
| 2025 Aug 31 17:56 | 2025 Aug 27 20:01:08 | 40.9030 | 0.22368 | 18.8138 | 267.7893 | 23.2351 | 10.10060 | – |
| 2025 Aug 30 17:56 | 2025 Aug 27 20:01:08 | 40.9030 | 0.22368 | 18.8138 | 267.7893 | 23.2351 | 10.10060 | – |
| 2025 Aug 29 17:56 | 2025 Aug 27 20:01:08 | 40.9030 | 0.22368 | 18.8138 | 267.7893 | 23.2351 | 10.10060 | – |
| 2025 Aug 28 17:57 | 2025 Aug 27 20:01:08 | 40.9030 | 0.22368 | 18.8138 | 267.7893 | 23.2351 | 10.10060 | – |
| 2025 Aug 27 17:56 | 2025 Aug 23 04:26:02 | 40.9037 | 0.22367 | 19.5771 | 253.7420 | 23.2351 | 10.10060 | – |
| 2025 Aug 26 17:56 | 2025 Aug 23 04:26:02 | 40.9037 | 0.22367 | 19.5771 | 253.7420 | 23.2351 | 10.10060 | – |
| 2025 Aug 25 17:56 | 2025 Aug 23 04:26:02 | 40.9037 | 0.22367 | 19.5771 | 253.7420 | 23.2351 | 10.10060 | – |
| 2025 Aug 24 17:56 | 2025 Aug 23 04:26:02 | 40.9037 | 0.22367 | 19.5771 | 253.7420 | 23.2351 | 10.10060 | – |
| 2025 Aug 23 17:56 | 2025 Aug 23 04:26:02 | 40.9037 | 0.22367 | 19.5771 | 253.7420 | 23.2351 | 10.10060 | – |
| 2025 Aug 22 17:56 | 2025 Aug 18 05:44:17 | 40.9027 | 0.22363 | 20.3891 | 238.7981 | 23.2351 | 10.10060 | – |