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 Feb 04 18:57 | 2026 Feb 02 01:50:23 | 4.9211 | 0.00051 | 18.5800 | 13.7553 | 305.3200 | 0.99940 | 6.500 |
| 2026 Feb 03 18:56 | 2026 Feb 02 01:50:23 | 4.9211 | 0.00051 | 18.5800 | 13.7553 | 305.3200 | 0.99940 | 6.500 |
| 2026 Feb 02 18:56 | 2026 Feb 02 01:50:23 | 4.9211 | 0.00051 | 18.5800 | 13.7553 | 305.3200 | 0.99940 | 6.500 |
| 2026 Feb 01 18:56 | 2026 Jan 27 19:11:53 | 4.9342 | 0.00051 | 18.5845 | 11.5087 | 305.3200 | 0.99940 | 6.500 |
| 2026 Jan 31 18:56 | 2026 Jan 27 19:11:53 | 4.9342 | 0.00051 | 18.5845 | 11.5087 | 305.3200 | 0.99940 | 6.500 |
| 2026 Jan 30 18:57 | 2026 Jan 27 19:11:53 | 4.9342 | 0.00051 | 18.5845 | 11.5087 | 305.3200 | 0.99940 | 6.500 |
| 2026 Jan 29 18:56 | 2026 Jan 27 19:11:53 | 4.9342 | 0.00051 | 18.5845 | 11.5087 | 305.3200 | 0.99940 | 6.500 |
| 2026 Jan 28 18:56 | 2026 Jan 27 19:11:53 | 4.9342 | 0.00051 | 18.5845 | 11.5087 | 305.3200 | 0.99940 | 6.500 |
| 2026 Jan 27 18:56 | 2026 Jan 22 02:17:22 | 4.9488 | 0.00052 | 18.5895 | 8.9984 | 305.3200 | 0.99940 | 6.500 |
| 2026 Jan 26 18:57 | 2026 Jan 22 02:17:22 | 4.9488 | 0.00052 | 18.5895 | 8.9984 | 305.3200 | 0.99940 | 6.500 |
| 2026 Jan 25 18:57 | 2026 Jan 22 02:17:22 | 4.9488 | 0.00052 | 18.5895 | 8.9984 | 305.3200 | 0.99940 | 6.500 |
| 2026 Jan 24 18:58 | 2026 Jan 22 02:17:22 | 4.9488 | 0.00052 | 18.5895 | 8.9984 | 305.3200 | 0.99940 | 6.500 |
| 2026 Jan 22 18:56 | 2026 Jan 22 02:17:22 | 4.9488 | 0.00052 | 18.5895 | 8.9984 | 305.3200 | 0.99940 | 6.500 |
| 2026 Jan 21 18:56 | 2026 Jan 16 14:30:49 | 4.9630 | 0.00053 | 18.5941 | 5.8442 | 305.3200 | 0.99940 | 6.500 |
| 2026 Jan 20 19:06 | 2026 Jan 16 14:30:49 | 4.9630 | 0.00053 | 18.5941 | 5.8442 | 305.3200 | 0.99940 | 6.500 |
| 2026 Jan 19 18:57 | 2026 Jan 16 14:30:49 | 4.9630 | 0.00053 | 18.5941 | 5.8442 | 305.3200 | 0.99940 | 6.500 |
| 2026 Jan 18 18:57 | 2026 Jan 16 14:30:49 | 4.9630 | 0.00053 | 18.5941 | 5.8442 | 305.3200 | 0.99940 | 6.500 |
| 2026 Jan 17 18:56 | 2026 Jan 16 14:30:49 | 4.9630 | 0.00053 | 18.5941 | 5.8442 | 305.3200 | 0.99940 | 6.500 |
| 2026 Jan 16 18:57 | 2026 Jan 16 14:30:49 | 4.9630 | 0.00053 | 18.5941 | 5.8442 | 305.3200 | 0.99940 | 6.500 |
| 2026 Jan 15 18:56 | 2026 Jan 11 14:42:49 | 4.9761 | 0.00053 | 18.5985 | 3.3890 | 305.3200 | 0.99940 | 6.500 |
| 2026 Jan 13 18:56 | 2026 Jan 11 14:42:49 | 4.9761 | 0.00053 | 18.5985 | 3.3890 | 305.3200 | 0.99940 | 6.500 |
| 2026 Jan 11 18:57 | 2026 Jan 11 14:42:49 | 4.9761 | 0.00053 | 18.5985 | 3.3890 | 305.3200 | 0.99940 | 6.500 |
| 2026 Jan 10 18:57 | 2026 Jan 05 18:21:57 | 4.9913 | 0.00052 | 18.6035 | 0.9227 | 305.3200 | 0.99940 | 6.500 |
| 2026 Jan 09 18:57 | 2026 Jan 05 18:21:57 | 4.9913 | 0.00052 | 18.6035 | 0.9227 | 305.3200 | 0.99940 | 6.500 |
| 2026 Jan 08 18:56 | 2026 Jan 05 18:21:57 | 4.9913 | 0.00052 | 18.6035 | 0.9227 | 305.3200 | 0.99940 | 6.500 |