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 Aug 16 17:56 | 2026 Aug 13 05:27:29 | 70.0795 | 0.00213 | 2.4337 | 347.6769 | 184.7405 | 13.96668 | 7.743 |
| 2026 Aug 15 17:57 | 2026 Aug 13 05:27:29 | 70.0795 | 0.00213 | 2.4337 | 347.6769 | 184.7405 | 13.96668 | 7.743 |
| 2026 Aug 14 17:56 | 2026 Aug 13 05:27:29 | 70.0795 | 0.00213 | 2.4337 | 347.6769 | 184.7405 | 13.96668 | 7.743 |
| 2026 Aug 13 17:57 | 2026 Aug 13 05:27:29 | 70.0795 | 0.00213 | 2.4337 | 347.6769 | 184.7405 | 13.96668 | 7.743 |
| 2026 Aug 12 17:56 | 2026 Aug 07 06:47:47 | 70.0789 | 0.00209 | 3.2787 | 355.3436 | 184.7405 | 13.96668 | 7.743 |
| 2026 Aug 11 17:56 | 2026 Aug 07 06:47:47 | 70.0789 | 0.00209 | 3.2787 | 355.3436 | 184.7405 | 13.96668 | 7.743 |
| 2026 Aug 10 17:56 | 2026 Aug 07 06:47:47 | 70.0789 | 0.00209 | 3.2787 | 355.3436 | 184.7405 | 13.96668 | 7.743 |
| 2026 Aug 09 17:57 | 2026 Aug 07 06:47:47 | 70.0789 | 0.00209 | 3.2787 | 355.3436 | 184.7405 | 13.96668 | 7.743 |
| 2026 Aug 08 17:57 | 2026 Aug 07 06:47:47 | 70.0789 | 0.00209 | 3.2787 | 355.3436 | 184.7405 | 13.96668 | 7.743 |
| 2026 Aug 07 17:57 | 2026 Aug 07 06:47:47 | 70.0789 | 0.00209 | 3.2787 | 355.3436 | 184.7405 | 13.96668 | 7.743 |
| 2026 Aug 06 17:57 | 2026 Aug 01 01:10:15 | 70.0789 | 0.00206 | 4.1649 | 3.4727 | 184.7405 | 13.96668 | 7.743 |
| 2026 Aug 05 17:56 | 2026 Aug 01 01:10:15 | 70.0789 | 0.00206 | 4.1649 | 3.4727 | 184.7405 | 13.96668 | 7.743 |
| 2026 Aug 04 17:57 | 2026 Aug 01 01:10:15 | 70.0789 | 0.00206 | 4.1649 | 3.4727 | 184.7405 | 13.96668 | 7.743 |
| 2026 Aug 03 17:56 | 2026 Aug 01 01:10:15 | 70.0789 | 0.00206 | 4.1649 | 3.4727 | 184.7405 | 13.96668 | 7.743 |
| 2026 Aug 02 17:57 | 2026 Aug 01 01:10:15 | 70.0789 | 0.00206 | 4.1649 | 3.4727 | 184.7405 | 13.96668 | 7.743 |
| 2026 Aug 01 17:57 | 2026 Aug 01 01:10:15 | 70.0789 | 0.00206 | 4.1649 | 3.4727 | 184.7405 | 13.96668 | 7.743 |
| 2026 Jul 31 17:56 | 2026 Jul 27 02:23:02 | 70.0790 | 0.00202 | 4.8684 | 10.0747 | 184.7405 | 13.96668 | 7.743 |
| 2026 Jul 30 17:57 | 2026 Jul 27 02:23:02 | 70.0790 | 0.00202 | 4.8684 | 10.0747 | 184.7405 | 13.96668 | 7.743 |
| 2026 Jul 29 17:57 | 2026 Jul 27 02:23:02 | 70.0790 | 0.00202 | 4.8684 | 10.0747 | 184.7405 | 13.96668 | 7.743 |
| 2026 Jul 28 17:57 | 2026 Jul 27 02:23:02 | 70.0790 | 0.00202 | 4.8684 | 10.0747 | 184.7405 | 13.96668 | 7.743 |
| 2026 Jul 27 17:57 | 2026 Jul 27 02:23:02 | 70.0790 | 0.00202 | 4.8684 | 10.0747 | 184.7405 | 13.96668 | 7.743 |
| 2026 Jul 26 17:56 | 2026 Jul 21 02:10:05 | 70.0794 | 0.00199 | 5.7225 | 18.1642 | 184.7405 | 13.96668 | 7.743 |
| 2026 Jul 25 17:57 | 2026 Jul 21 02:10:05 | 70.0794 | 0.00199 | 5.7225 | 18.1642 | 184.7405 | 13.96668 | 7.743 |
| 2026 Jul 24 17:56 | 2026 Jul 21 02:10:05 | 70.0794 | 0.00199 | 5.7225 | 18.1642 | 184.7405 | 13.96668 | 7.743 |
| 2026 Jul 23 17:57 | 2026 Jul 21 02:10:05 | 70.0794 | 0.00199 | 5.7225 | 18.1642 | 184.7405 | 13.96668 | 7.743 |
| 2026 Jul 22 17:57 | 2026 Jul 21 02:10:05 | 70.0794 | 0.00199 | 5.7225 | 18.1642 | 184.7405 | 13.96668 | 7.743 |
| 2026 Jul 21 17:57 | 2026 Jul 21 02:10:05 | 70.0794 | 0.00199 | 5.7225 | 18.1642 | 184.7405 | 13.96668 | 7.743 |
| 2026 Jul 20 17:57 | 2026 Jul 16 03:34:23 | 70.0796 | 0.00196 | 6.4248 | 24.9479 | 184.7405 | 13.96668 | 7.743 |