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 May 09 17:57 | 2025 May 08 16:15:01 | 98.2000 | 0.00015 | 1.1207 | 42.5327 | 317.6003 | 14.86380 | 6.243 |
| 2025 May 08 17:56 | 2025 May 07 16:00:56 | 98.2001 | 0.00015 | 1.0513 | 43.8011 | 317.6003 | 14.86380 | 6.243 |
| 2025 May 07 17:56 | 2025 May 06 14:09:55 | 98.2002 | 0.00016 | 0.9773 | 46.3803 | 317.6003 | 14.86380 | 6.243 |
| 2025 May 06 17:57 | 2025 May 05 22:00:31 | 98.2003 | 0.00016 | 0.9310 | 47.4477 | 317.6003 | 14.86380 | 6.243 |
| 2025 May 05 17:56 | 2025 May 05 12:18:53 | 98.2002 | 0.00017 | 0.9032 | 47.9868 | 317.6003 | 14.86380 | 6.243 |
| 2025 May 04 17:57 | 2025 May 04 04:00:06 | 98.2001 | 0.00018 | 0.8107 | 49.7464 | 317.6003 | 14.86380 | 6.243 |
| 2025 May 03 17:57 | 2025 May 02 22:55:11 | 98.2001 | 0.00018 | 0.7274 | 50.4018 | 317.6003 | 14.86380 | 6.243 |
| 2025 May 02 17:57 | 2025 May 01 17:50:15 | 98.2001 | 0.00019 | 0.6441 | 52.1077 | 317.6003 | 14.86380 | 6.243 |
| 2025 May 01 17:56 | 2025 Apr 29 02:49:34 | 98.2010 | 0.00020 | 0.4637 | 55.1036 | 317.6003 | 14.86380 | 6.243 |
| 2025 Apr 30 17:56 | 2025 Apr 29 02:49:34 | 98.2010 | 0.00020 | 0.4637 | 55.1036 | 317.6003 | 14.86380 | 6.243 |
| 2025 Apr 29 17:57 | 2025 Apr 29 02:49:34 | 98.2010 | 0.00020 | 0.4637 | 55.1036 | 317.6003 | 14.86380 | 6.243 |
| 2025 Apr 27 17:56 | 2025 Apr 26 23:07:26 | 98.2019 | 0.00021 | 0.3156 | 57.6590 | 317.6003 | 14.86380 | 6.243 |
| 2025 Apr 26 17:57 | 2025 Apr 26 13:25:47 | 98.2020 | 0.00021 | 0.2878 | 58.2768 | 317.6003 | 14.86380 | 6.243 |
| 2025 Apr 25 17:56 | 2025 Apr 25 05:06:56 | 98.2023 | 0.00021 | 0.1952 | 59.8535 | 317.6003 | 14.86380 | 6.243 |
| 2025 Apr 24 17:56 | 2025 Apr 23 19:11:08 | 98.2023 | 0.00022 | 0.0980 | 62.0979 | 317.6003 | 14.86380 | 6.243 |
| 2025 Apr 23 17:57 | 2025 Apr 22 18:56:59 | 98.2021 | 0.00022 | 0.0286 | 63.9716 | 317.6003 | 14.86380 | 6.243 |
| 2025 Apr 22 17:56 | 2025 Apr 21 18:42:50 | 98.2020 | 0.00022 | 23.9592 | 64.6060 | 317.6003 | 14.86380 | 6.243 |
| 2025 Apr 21 17:57 | 2025 Apr 20 18:28:40 | 98.2019 | 0.00023 | 23.8898 | 66.9861 | 317.6003 | 14.86380 | 6.243 |
| 2025 Apr 20 17:56 | 2025 Apr 19 18:14:30 | 98.2020 | 0.00023 | 23.8204 | 67.5335 | 317.6003 | 14.86380 | 6.243 |
| 2025 Apr 19 17:56 | 2025 Apr 18 18:00:20 | 98.2022 | 0.00024 | 23.7509 | 68.6325 | 317.6003 | 14.86380 | 6.243 |
| 2025 Apr 18 17:57 | 2025 Apr 17 17:46:09 | 98.2023 | 0.00024 | 23.6815 | 70.3192 | 317.6003 | 14.86380 | 6.243 |
| 2025 Apr 17 17:56 | 2025 Apr 16 19:08:55 | 98.2025 | 0.00024 | 23.6167 | 71.4852 | 317.6003 | 14.86380 | 6.243 |
| 2025 Apr 16 17:57 | 2025 Apr 15 22:08:38 | 98.2027 | 0.00024 | 23.5566 | 72.5806 | 317.6003 | 14.86380 | 6.243 |
| 2025 Apr 15 17:56 | 2025 Apr 14 18:40:33 | 98.2031 | 0.00025 | 23.4779 | 73.9696 | 317.6003 | 14.86380 | 6.243 |
| 2025 Apr 14 17:56 | 2025 Apr 14 10:35:49 | 98.2031 | 0.00025 | 23.4548 | 74.5829 | 317.6003 | 14.86380 | 6.243 |