Orbital elements of SYMPHONIE 1
| Launched | 18 December 1974 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | France/Germany |
| NORAD ID | 7578 |
| 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 05 17:57 | 2026 May 05 07:54:59 | 4.6849 | 0.00027 | 18.5053 | 50.2461 | 346.3948 | 0.99962 | 6.500 |
| 2026 May 04 17:57 | 2026 Apr 30 08:09:22 | 4.6981 | 0.00028 | 18.5095 | 49.3228 | 346.3948 | 0.99962 | 6.500 |
| 2026 May 03 17:57 | 2026 Apr 30 08:09:22 | 4.6981 | 0.00028 | 18.5095 | 49.3228 | 346.3948 | 0.99962 | 6.500 |
| 2026 May 02 17:57 | 2026 Apr 30 08:09:22 | 4.6981 | 0.00028 | 18.5095 | 49.3228 | 346.3948 | 0.99962 | 6.500 |
| 2026 May 01 17:56 | 2026 Apr 30 08:09:22 | 4.6981 | 0.00028 | 18.5095 | 49.3228 | 346.3948 | 0.99962 | 6.500 |
| 2026 Apr 30 17:56 | 2026 Apr 30 08:09:22 | 4.6981 | 0.00028 | 18.5095 | 49.3228 | 346.3948 | 0.99962 | 6.500 |
| 2026 Apr 29 17:57 | 2026 Apr 24 06:44:03 | 4.7139 | 0.00030 | 18.5144 | 48.3466 | 346.3948 | 0.99962 | 6.500 |
| 2026 Apr 28 17:56 | 2026 Apr 24 06:44:03 | 4.7139 | 0.00030 | 18.5144 | 48.3466 | 346.3948 | 0.99962 | 6.500 |
| 2026 Apr 27 17:58 | 2026 Apr 24 06:44:03 | 4.7139 | 0.00030 | 18.5144 | 48.3466 | 346.3948 | 0.99962 | 6.500 |
| 2026 Apr 26 17:58 | 2026 Apr 24 06:44:03 | 4.7139 | 0.00030 | 18.5144 | 48.3466 | 346.3948 | 0.99962 | 6.500 |
| 2026 Apr 25 17:58 | 2026 Apr 24 06:44:03 | 4.7139 | 0.00030 | 18.5144 | 48.3466 | 346.3948 | 0.99962 | 6.500 |
| 2026 Apr 24 17:59 | 2026 Apr 24 06:44:03 | 4.7139 | 0.00030 | 18.5144 | 48.3466 | 346.3948 | 0.99962 | 6.500 |
| 2026 Apr 23 17:57 | 2026 Apr 19 05:15:47 | 4.7266 | 0.00032 | 18.5186 | 46.6887 | 346.3948 | 0.99962 | 6.500 |
| 2026 Apr 22 17:57 | 2026 Apr 19 05:15:47 | 4.7266 | 0.00032 | 18.5186 | 46.6887 | 346.3948 | 0.99962 | 6.500 |
| 2026 Apr 21 17:57 | 2026 Apr 19 05:15:47 | 4.7266 | 0.00032 | 18.5186 | 46.6887 | 346.3948 | 0.99962 | 6.500 |
| 2026 Apr 20 17:57 | 2026 Apr 19 05:15:47 | 4.7266 | 0.00032 | 18.5186 | 46.6887 | 346.3948 | 0.99962 | 6.500 |
| 2026 Apr 19 17:58 | 2026 Apr 19 05:15:47 | 4.7266 | 0.00032 | 18.5186 | 46.6887 | 346.3948 | 0.99962 | 6.500 |
| 2026 Apr 18 17:56 | 2026 Apr 13 02:07:49 | 4.7423 | 0.00035 | 18.5237 | 43.4536 | 346.3948 | 0.99962 | 6.500 |
| 2026 Apr 16 17:57 | 2026 Apr 13 02:07:49 | 4.7423 | 0.00035 | 18.5237 | 43.4536 | 346.3948 | 0.99962 | 6.500 |
| 2026 Apr 14 17:57 | 2026 Apr 13 02:07:49 | 4.7423 | 0.00035 | 18.5237 | 43.4536 | 346.3948 | 0.99962 | 6.500 |
| 2026 Apr 13 17:57 | 2026 Apr 13 02:07:49 | 4.7423 | 0.00035 | 18.5237 | 43.4536 | 346.3948 | 0.99962 | 6.500 |
| 2026 Apr 12 17:57 | 2026 Apr 08 07:29:52 | 4.7547 | 0.00036 | 18.5275 | 41.2785 | 346.3948 | 0.99962 | 6.500 |
| 2026 Apr 11 17:57 | 2026 Apr 08 07:29:52 | 4.7547 | 0.00036 | 18.5275 | 41.2785 | 346.3948 | 0.99962 | 6.500 |
| 2026 Apr 10 17:58 | 2026 Apr 08 07:29:52 | 4.7547 | 0.00036 | 18.5275 | 41.2785 | 346.3948 | 0.99962 | 6.500 |
| 2026 Apr 09 18:01 | 2026 Apr 08 07:29:52 | 4.7547 | 0.00036 | 18.5275 | 41.2785 | 346.3948 | 0.99962 | 6.500 |
| 2026 Apr 08 17:57 | 2026 Apr 08 07:29:52 | 4.7547 | 0.00036 | 18.5275 | 41.2785 | 346.3948 | 0.99962 | 6.500 |