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 Oct 26 18:57 | 2025 Oct 26 10:26:55 | 98.1757 | 0.00023 | 12.8471 | 107.1602 | 252.9863 | 14.86993 | 6.243 |
| 2025 Oct 25 17:57 | 2025 Oct 25 10:13:26 | 98.1758 | 0.00023 | 12.7779 | 108.3374 | 252.9863 | 14.86993 | 6.243 |
| 2025 Oct 24 17:57 | 2025 Oct 23 16:14:03 | 98.1762 | 0.00022 | 12.6578 | 110.4060 | 252.9863 | 14.86993 | 6.243 |
| 2025 Oct 22 17:56 | 2025 Oct 22 04:42:15 | 98.1766 | 0.00022 | 12.5562 | 112.1327 | 252.9863 | 14.86993 | 6.243 |
| 2025 Oct 21 17:56 | 2025 Oct 20 17:10:27 | 98.1766 | 0.00021 | 12.4546 | 114.2899 | 252.9863 | 14.86993 | 6.243 |
| 2025 Oct 20 17:56 | 2025 Oct 20 07:29:03 | 98.1766 | 0.00021 | 12.4269 | 114.8431 | 252.9863 | 14.86993 | 6.243 |
| 2025 Oct 19 17:56 | 2025 Oct 19 05:38:37 | 98.1766 | 0.00020 | 12.3530 | 116.3340 | 252.9863 | 14.86993 | 6.243 |
| 2025 Oct 18 17:56 | 2025 Oct 18 07:02:00 | 98.1767 | 0.00020 | 12.2884 | 117.7441 | 252.9863 | 14.86993 | 6.243 |
| 2025 Oct 17 17:56 | 2025 Oct 17 03:34:40 | 98.1767 | 0.00020 | 12.2099 | 119.0371 | 252.9863 | 14.86993 | 6.243 |
| 2025 Oct 16 17:56 | 2025 Oct 16 03:21:08 | 98.1766 | 0.00019 | 12.1406 | 120.8466 | 252.9863 | 14.86993 | 6.243 |
| 2025 Oct 15 17:56 | 2025 Oct 14 10:58:33 | 98.1766 | 0.00018 | 12.0252 | 122.6781 | 252.9863 | 14.86993 | 6.243 |
| 2025 Oct 14 17:56 | 2025 Oct 13 23:40:14 | 98.1766 | 0.00018 | 11.9929 | 122.8543 | 252.9863 | 14.86993 | 6.243 |
| 2025 Oct 12 17:56 | 2025 Oct 12 07:17:39 | 98.1767 | 0.00017 | 11.8774 | 124.3558 | 252.9863 | 14.86993 | 6.243 |
| 2025 Oct 11 17:57 | 2025 Oct 11 07:04:05 | 98.1770 | 0.00016 | 11.8082 | 125.1055 | 252.9863 | 14.86993 | 6.243 |
| 2025 Oct 09 17:56 | 2025 Oct 09 06:36:57 | 98.1773 | 0.00015 | 11.6696 | 127.5354 | 252.9863 | 14.86993 | 6.243 |
| 2025 Oct 08 17:56 | 2025 Oct 08 11:14:05 | 98.1775 | 0.00015 | 11.6142 | 128.0096 | 252.9863 | 14.86993 | 6.243 |
| 2025 Oct 07 17:56 | 2025 Oct 07 06:09:48 | 98.1777 | 0.00014 | 11.5311 | 128.9342 | 252.9863 | 14.86993 | 6.243 |
| 2025 Oct 05 17:56 | 2025 Oct 05 10:33:20 | 98.1778 | 0.00013 | 11.4064 | 130.6139 | 252.9863 | 14.86993 | 6.243 |
| 2025 Oct 04 17:57 | 2025 Oct 03 13:19:57 | 98.1782 | 0.00012 | 11.2771 | 132.5420 | 252.9863 | 14.86993 | 6.243 |
| 2025 Oct 03 17:57 | 2025 Oct 03 06:52:20 | 98.1783 | 0.00012 | 11.2586 | 133.0522 | 252.9863 | 14.86993 | 6.243 |
| 2025 Oct 02 17:56 | 2025 Oct 02 03:24:54 | 98.1785 | 0.00011 | 11.1801 | 129.9828 | 252.9863 | 14.86993 | 6.243 |
| 2025 Sep 30 17:56 | 2025 Sep 30 11:02:12 | 98.1782 | 0.00010 | 11.0647 | 128.5795 | 252.9863 | 14.86993 | 6.243 |
| 2025 Sep 29 17:56 | 2025 Sep 29 02:44:01 | 98.1781 | 0.00009 | 10.9723 | 132.7531 | 252.9863 | 14.86993 | 6.243 |