Orbital elements of HELIOS 1B
| Launched | 2 December 1999 |
| Flight ended | – |
| Launch site | Europe's Spaceport, Kourou, French Guiana |
| Owner | France |
| NORAD ID | 25977 |
| 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 |
| 2025 Nov 16 18:58 | 2025 Nov 15 16:32:16 | 98.1757 | 0.00026 | 14.2370 | 79.0842 | 281.0661 | 14.87127 | 6.243 |
| 2025 Nov 15 18:57 | 2025 Nov 15 10:04:43 | 98.1757 | 0.00026 | 14.2186 | 79.5715 | 281.0661 | 14.87127 | 6.243 |
| 2025 Nov 13 18:56 | 2025 Nov 13 06:24:13 | 98.1752 | 0.00026 | 14.0708 | 83.1526 | 281.0661 | 14.87127 | 6.243 |
| 2025 Nov 12 18:57 | 2025 Nov 12 06:10:51 | 98.1752 | 0.00026 | 14.0015 | 84.2935 | 281.0661 | 14.87127 | 6.243 |
| 2025 Nov 11 18:55 | 2025 Nov 11 05:57:27 | 98.1753 | 0.00026 | 13.9323 | 85.5164 | 281.0661 | 14.87127 | 6.243 |
| 2025 Nov 10 18:57 | 2025 Nov 08 16:35:30 | 98.1753 | 0.00026 | 13.7568 | 88.6711 | 281.0661 | 14.87127 | 6.243 |
| 2025 Nov 09 18:57 | 2025 Nov 08 16:35:30 | 98.1753 | 0.00026 | 13.7568 | 88.6711 | 281.0661 | 14.87127 | 6.243 |
| 2025 Nov 08 18:56 | 2025 Nov 08 06:54:08 | 98.1754 | 0.00026 | 13.7291 | 89.3465 | 281.0661 | 14.87127 | 6.243 |
| 2025 Nov 07 18:57 | 2025 Nov 07 06:40:44 | 98.1755 | 0.00026 | 13.6598 | 91.1347 | 281.0661 | 14.87127 | 6.243 |
| 2025 Nov 05 18:57 | 2025 Nov 05 06:13:53 | 98.1759 | 0.00025 | 13.5213 | 93.8111 | 281.0661 | 14.87127 | 6.243 |
| 2025 Nov 04 18:57 | 2025 Nov 04 10:51:08 | 98.1760 | 0.00025 | 13.4659 | 95.0718 | 281.0661 | 14.87127 | 6.243 |
| 2025 Nov 03 18:57 | 2025 Nov 02 10:24:15 | 98.1761 | 0.00025 | 13.3273 | 97.7857 | 281.0661 | 14.87127 | 6.243 |
| 2025 Nov 02 18:57 | 2025 Nov 02 10:24:15 | 98.1761 | 0.00025 | 13.3273 | 97.7857 | 281.0661 | 14.87127 | 6.243 |
| 2025 Nov 01 18:58 | 2025 Oct 31 16:24:57 | 98.1758 | 0.00025 | 13.2073 | 99.2417 | 281.0661 | 14.87127 | 6.243 |
| 2025 Oct 31 18:57 | 2025 Oct 31 06:43:34 | 98.1757 | 0.00025 | 13.1796 | 100.1220 | 281.0661 | 14.87127 | 6.243 |
| 2025 Oct 30 18:57 | 2025 Oct 30 06:30:06 | 98.1756 | 0.00024 | 13.1103 | 101.6982 | 281.0661 | 14.87127 | 6.243 |
| 2025 Oct 29 18:57 | 2025 Oct 29 11:07:20 | 98.1755 | 0.00024 | 13.0549 | 103.0073 | 281.0661 | 14.87127 | 6.243 |
| 2025 Oct 28 18:57 | 2025 Oct 27 15:31:06 | 98.1755 | 0.00023 | 12.9302 | 105.5544 | 281.0661 | 14.87127 | 6.243 |
| 2025 Oct 27 18:57 | 2025 Oct 27 10:40:24 | 98.1755 | 0.00023 | 12.9164 | 105.9696 | 281.0661 | 14.87127 | 6.243 |
| 2025 Oct 26 18:57 | 2025 Oct 26 10:26:55 | 98.1757 | 0.00023 | 12.8471 | 107.1602 | 281.0661 | 14.87127 | 6.243 |
| 2025 Oct 25 17:57 | 2025 Oct 25 10:13:26 | 98.1758 | 0.00023 | 12.7779 | 108.3374 | 281.0661 | 14.87127 | 6.243 |
| 2025 Oct 24 17:57 | 2025 Oct 23 16:14:03 | 98.1762 | 0.00022 | 12.6578 | 110.4060 | 281.0661 | 14.87127 | 6.243 |
| 2025 Oct 22 17:56 | 2025 Oct 22 04:42:15 | 98.1766 | 0.00022 | 12.5562 | 112.1327 | 281.0661 | 14.87127 | 6.243 |
| 2025 Oct 21 17:56 | 2025 Oct 20 17:10:27 | 98.1766 | 0.00021 | 12.4546 | 114.2899 | 281.0661 | 14.87127 | 6.243 |
| 2025 Oct 20 17:56 | 2025 Oct 20 07:29:03 | 98.1766 | 0.00021 | 12.4269 | 114.8431 | 281.0661 | 14.87127 | 6.243 |