Orbital elements of ERS-1
| Launched | 16 July 1991 |
| Flight ended | – |
| Launch site | Europe's Spaceport, Kourou, French Guiana |
| Owner | European Space Agency |
| NORAD ID | 21574 |
| 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 26 17:56 | 2026 Jun 26 01:28:57 | 98.7795 | 0.00308 | 13.1984 | 239.6462 | 120.1674 | 14.39522 | 5.743 |
| 2026 Jun 25 17:56 | 2026 Jun 25 07:07:57 | 98.7796 | 0.00308 | 13.1462 | 241.9900 | 120.1674 | 14.39522 | 5.743 |
| 2026 Jun 24 17:55 | 2026 Jun 24 01:06:19 | 98.7795 | 0.00308 | 13.0608 | 245.8347 | 120.1674 | 14.39522 | 5.743 |
| 2026 Jun 23 17:56 | 2026 Jun 22 15:44:30 | 98.7795 | 0.00308 | 12.9658 | 250.0924 | 120.1674 | 14.39522 | 5.743 |
| 2026 Jun 22 17:56 | 2026 Jun 20 00:21:03 | 98.7796 | 0.00307 | 12.7855 | 258.2342 | 120.1674 | 14.39522 | 5.743 |
| 2026 Jun 21 17:57 | 2026 Jun 20 00:21:03 | 98.7796 | 0.00307 | 12.7855 | 258.2342 | 120.1674 | 14.39522 | 5.743 |
| 2026 Jun 20 17:56 | 2026 Jun 20 00:21:03 | 98.7796 | 0.00307 | 12.7855 | 258.2342 | 120.1674 | 14.39522 | 5.743 |
| 2026 Jun 19 17:57 | 2026 Jun 19 07:40:08 | 98.7797 | 0.00307 | 12.7380 | 260.3837 | 120.1674 | 14.39522 | 5.743 |
| 2026 Jun 18 17:56 | 2026 Jun 18 04:58:41 | 98.7797 | 0.00307 | 12.6620 | 263.7702 | 120.1674 | 14.39522 | 5.743 |
| 2026 Jun 17 17:57 | 2026 Jun 17 12:17:47 | 98.7798 | 0.00307 | 12.6146 | 265.9400 | 120.1674 | 14.39522 | 5.743 |
| 2026 Jun 16 17:55 | 2026 Jun 16 07:56:14 | 98.7798 | 0.00307 | 12.5339 | 269.6532 | 120.1674 | 14.39522 | 5.743 |
| 2026 Jun 15 17:56 | 2026 Jun 15 11:55:08 | 98.7798 | 0.00307 | 12.4769 | 272.1655 | 120.1674 | 14.39522 | 5.743 |
| 2026 Jun 14 17:57 | 2026 Jun 14 07:33:36 | 98.7797 | 0.00307 | 12.3962 | 275.8819 | 120.1674 | 14.39522 | 5.743 |
| 2026 Jun 13 17:56 | 2026 Jun 13 01:31:58 | 98.7797 | 0.00307 | 12.3107 | 279.7518 | 120.1674 | 14.39522 | 5.743 |
| 2026 Jun 12 17:56 | 2026 Jun 12 07:10:58 | 98.7797 | 0.00307 | 12.2585 | 282.1092 | 120.1674 | 14.39522 | 5.743 |
| 2026 Jun 11 17:57 | 2026 Jun 11 01:09:19 | 98.7797 | 0.00307 | 12.1731 | 285.9635 | 120.1674 | 14.39522 | 5.743 |
| 2026 Jun 10 17:56 | 2026 Jun 10 11:48:36 | 98.7798 | 0.00307 | 12.1351 | 287.6788 | 120.1674 | 14.39522 | 5.743 |
| 2026 Jun 09 17:57 | 2026 Jun 09 07:27:03 | 98.7799 | 0.00308 | 12.0544 | 291.2848 | 120.1674 | 14.39522 | 5.743 |
| 2026 Jun 08 17:56 | 2026 Jun 08 01:25:24 | 98.7799 | 0.00308 | 11.9690 | 295.1450 | 120.1674 | 14.39522 | 5.743 |
| 2026 Jun 07 17:56 | 2026 Jun 07 07:04:24 | 98.7800 | 0.00308 | 11.9167 | 297.4986 | 120.1674 | 14.39522 | 5.743 |
| 2026 Jun 06 17:56 | 2026 Jun 05 21:42:35 | 98.7801 | 0.00309 | 11.8218 | 301.7533 | 120.1674 | 14.39522 | 5.743 |
| 2026 Jun 05 17:56 | 2026 Jun 05 00:01:24 | 98.7801 | 0.00309 | 11.7601 | 304.4896 | 120.1674 | 14.39522 | 5.743 |
| 2026 Jun 04 17:57 | 2026 Jun 04 00:40:07 | 98.7800 | 0.00309 | 11.6936 | 307.4831 | 120.1674 | 14.39522 | 5.743 |
| 2026 Jun 02 17:56 | 2026 Jun 02 01:57:34 | 98.7801 | 0.00310 | 11.5607 | 313.4570 | 120.1674 | 14.39522 | 5.743 |
| 2026 Jun 01 17:57 | 2026 Jun 01 00:56:12 | 98.7801 | 0.00310 | 11.4895 | 316.6275 | 120.1674 | 14.39522 | 5.743 |
| 2026 May 31 17:58 | 2026 May 31 01:34:55 | 98.7801 | 0.00311 | 11.4230 | 319.5803 | 120.1674 | 14.39522 | 5.743 |
| 2026 May 30 17:57 | 2026 May 30 00:33:33 | 98.7801 | 0.00311 | 11.3518 | 322.7480 | 120.1674 | 14.39522 | 5.743 |