Orbital elements of OPS 4988
| Launched | 8 March 1965 |
| Flight ended | – |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 1271 |
| Alternative names |
GREB 6 |
| 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 Jun 16 17:55 | 2026 Jun 12 06:19:38 | 70.0775 | 0.00182 | 11.2409 | 73.9666 | 26.6923 | 13.96659 | 7.743 |
| 2026 Jun 15 17:56 | 2026 Jun 12 06:19:38 | 70.0775 | 0.00182 | 11.2409 | 73.9666 | 26.6923 | 13.96659 | 7.743 |
| 2026 Jun 14 17:57 | 2026 Jun 12 06:19:38 | 70.0775 | 0.00182 | 11.2409 | 73.9666 | 26.6923 | 13.96659 | 7.743 |
| 2026 Jun 13 17:56 | 2026 Jun 12 06:19:38 | 70.0775 | 0.00182 | 11.2409 | 73.9666 | 26.6923 | 13.96659 | 7.743 |
| 2026 Jun 12 17:56 | 2026 Jun 12 06:19:38 | 70.0775 | 0.00182 | 11.2409 | 73.9666 | 26.6923 | 13.96659 | 7.743 |
| 2026 Jun 11 17:57 | 2026 Jun 07 07:18:30 | 70.0777 | 0.00181 | 11.9457 | 81.4550 | 26.6923 | 13.96659 | 7.743 |
| 2026 Jun 10 17:56 | 2026 Jun 07 07:18:30 | 70.0777 | 0.00181 | 11.9457 | 81.4550 | 26.6923 | 13.96659 | 7.743 |
| 2026 Jun 09 17:57 | 2026 Jun 07 07:18:30 | 70.0777 | 0.00181 | 11.9457 | 81.4550 | 26.6923 | 13.96659 | 7.743 |
| 2026 Jun 08 17:56 | 2026 Jun 07 07:18:30 | 70.0777 | 0.00181 | 11.9457 | 81.4550 | 26.6923 | 13.96659 | 7.743 |
| 2026 Jun 07 17:56 | 2026 Jun 07 07:18:30 | 70.0777 | 0.00181 | 11.9457 | 81.4550 | 26.6923 | 13.96659 | 7.743 |
| 2026 Jun 06 17:56 | 2026 May 31 12:28:34 | 70.0783 | 0.00181 | 12.9100 | 91.8119 | 26.6923 | 13.96659 | 7.743 |
| 2026 Jun 05 17:56 | 2026 May 31 12:28:34 | 70.0783 | 0.00181 | 12.9100 | 91.8119 | 26.6923 | 13.96659 | 7.743 |
| 2026 Jun 04 17:57 | 2026 May 31 12:28:34 | 70.0783 | 0.00181 | 12.9100 | 91.8119 | 26.6923 | 13.96659 | 7.743 |
| 2026 Jun 02 17:56 | 2026 May 31 12:28:34 | 70.0783 | 0.00181 | 12.9100 | 91.8119 | 26.6923 | 13.96659 | 7.743 |
| 2026 Jun 01 17:57 | 2026 May 31 12:28:34 | 70.0783 | 0.00181 | 12.9100 | 91.8119 | 26.6923 | 13.96659 | 7.743 |
| 2026 May 31 17:58 | 2026 May 31 12:28:34 | 70.0783 | 0.00181 | 12.9100 | 91.8119 | 26.6923 | 13.96659 | 7.743 |
| 2026 May 30 17:57 | 2026 May 26 06:47:24 | 70.0788 | 0.00181 | 13.6543 | 99.7456 | 26.6923 | 13.96659 | 7.743 |
| 2026 May 29 17:57 | 2026 May 26 06:47:24 | 70.0788 | 0.00181 | 13.6543 | 99.7456 | 26.6923 | 13.96659 | 7.743 |
| 2026 May 28 17:56 | 2026 May 26 06:47:24 | 70.0788 | 0.00181 | 13.6543 | 99.7456 | 26.6923 | 13.96659 | 7.743 |
| 2026 May 27 17:57 | 2026 May 26 06:47:24 | 70.0788 | 0.00181 | 13.6543 | 99.7456 | 26.6923 | 13.96659 | 7.743 |
| 2026 May 26 17:57 | 2026 May 26 06:47:24 | 70.0788 | 0.00181 | 13.6543 | 99.7456 | 26.6923 | 13.96659 | 7.743 |
| 2026 May 25 17:57 | 2026 May 21 06:29:16 | 70.0795 | 0.00183 | 14.3667 | 107.2836 | 26.6923 | 13.96659 | 7.743 |
| 2026 May 24 17:57 | 2026 May 21 06:29:16 | 70.0795 | 0.00183 | 14.3667 | 107.2836 | 26.6923 | 13.96659 | 7.743 |
| 2026 May 23 17:58 | 2026 May 21 06:29:16 | 70.0795 | 0.00183 | 14.3667 | 107.2836 | 26.6923 | 13.96659 | 7.743 |
| 2026 May 22 17:57 | 2026 May 21 06:29:16 | 70.0795 | 0.00183 | 14.3667 | 107.2836 | 26.6923 | 13.96659 | 7.743 |
| 2026 May 21 17:57 | 2026 May 21 06:29:16 | 70.0795 | 0.00183 | 14.3667 | 107.2836 | 26.6923 | 13.96659 | 7.743 |
| 2026 May 20 17:57 | 2026 May 16 12:46:35 | 70.0796 | 0.00184 | 15.0400 | 114.3740 | 26.6923 | 13.96659 | 7.743 |