Orbital elements of COSMOS 2508
| Launched | 22 September 2015 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 40921 |
| Alternative names |
RODNIK-S * |
| 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 Mar 29 17:57 | 2026 Mar 29 04:11:43 | 82.4859 | 0.00140 | 8.5353 | 192.5115 | 167.5619 | 12.42911 | – |
| 2026 Mar 28 18:57 | 2026 Mar 28 12:44:25 | 82.4860 | 0.00140 | 8.5621 | 193.9160 | 167.5619 | 12.42911 | – |
| 2026 Mar 27 18:57 | 2026 Mar 27 07:45:43 | 82.4859 | 0.00139 | 8.6122 | 196.5666 | 167.5619 | 12.42911 | – |
| 2026 Mar 26 18:57 | 2026 Mar 26 12:26:34 | 82.4858 | 0.00139 | 8.6456 | 198.2969 | 167.5619 | 12.42911 | – |
| 2026 Mar 25 18:56 | 2026 Mar 25 13:15:37 | 82.4857 | 0.00138 | 8.6857 | 200.4338 | 167.5619 | 12.42911 | – |
| 2026 Mar 24 18:56 | 2026 Mar 24 12:08:44 | 82.4858 | 0.00138 | 8.7292 | 202.7404 | 167.5619 | 12.42911 | – |
| 2026 Mar 23 18:56 | 2026 Mar 23 12:57:46 | 82.4860 | 0.00138 | 8.7693 | 204.8743 | 167.5619 | 12.42911 | – |
| 2026 Mar 22 18:56 | 2026 Mar 22 06:03:09 | 82.4864 | 0.00137 | 8.8228 | 207.8141 | 167.5619 | 12.42911 | – |
| 2026 Mar 21 19:05 | 2026 Mar 21 14:35:50 | 82.4868 | 0.00137 | 8.8495 | 209.1118 | 167.5619 | 12.42911 | – |
| 2026 Mar 20 18:57 | 2026 Mar 20 11:33:03 | 82.4874 | 0.00136 | 8.8963 | 211.6755 | 167.5619 | 12.42911 | – |
| 2026 Mar 19 18:56 | 2026 Mar 19 06:34:21 | 82.4879 | 0.00136 | 8.9465 | 214.3966 | 167.5619 | 12.42911 | – |
| 2026 Mar 18 18:56 | 2026 Mar 18 13:11:07 | 82.4883 | 0.00136 | 8.9766 | 215.9704 | 167.5619 | 12.42911 | – |
| 2026 Mar 17 18:56 | 2026 Mar 17 14:00:09 | 82.4884 | 0.00135 | 9.0167 | 218.1763 | 167.5619 | 12.42911 | – |
| 2026 Mar 16 18:57 | 2026 Mar 16 07:05:32 | 82.4885 | 0.00135 | 9.0702 | 221.1756 | 167.5619 | 12.42911 | – |
| 2026 Mar 15 18:56 | 2026 Mar 15 13:42:19 | 82.4886 | 0.00135 | 9.1002 | 222.7520 | 167.5619 | 12.42911 | – |
| 2026 Mar 14 18:56 | 2026 Mar 14 14:31:21 | 82.4885 | 0.00134 | 9.1403 | 224.9256 | 167.5619 | 12.42911 | – |
| 2026 Mar 13 18:57 | 2026 Mar 12 23:53:05 | 82.4884 | 0.00134 | 9.2072 | 228.6281 | 167.5619 | 12.42911 | – |
| 2026 Mar 12 18:57 | 2026 Mar 12 14:13:30 | 82.4884 | 0.00134 | 9.2239 | 229.4441 | 167.5619 | 12.42911 | – |
| 2026 Mar 11 18:56 | 2026 Mar 11 13:06:38 | 82.4884 | 0.00133 | 9.2673 | 231.8170 | 167.5619 | 12.42911 | – |
| 2026 Mar 10 18:56 | 2026 Mar 10 11:59:45 | 82.4886 | 0.00133 | 9.3108 | 234.2960 | 167.5619 | 12.42911 | – |
| 2026 Mar 09 18:56 | 2026 Mar 09 12:48:47 | 82.4888 | 0.00133 | 9.3509 | 236.5438 | 167.5619 | 12.42911 | – |
| 2026 Mar 08 18:57 | 2026 Mar 08 11:41:55 | 82.4892 | 0.00132 | 9.3943 | 238.8925 | 167.5619 | 12.42911 | – |
| 2026 Mar 07 18:57 | 2026 Mar 07 14:26:52 | 82.4895 | 0.00132 | 9.4311 | 240.9418 | 167.5619 | 12.42911 | – |
| 2026 Mar 06 18:56 | 2026 Mar 06 15:15:54 | 82.4899 | 0.00132 | 9.4712 | 243.2011 | 167.5619 | 12.42911 | – |
| 2026 Mar 05 18:56 | 2026 Mar 05 14:09:01 | 82.4904 | 0.00132 | 9.5146 | 245.5697 | 167.5619 | 12.42911 | – |
| 2026 Mar 04 18:57 | 2026 Mar 04 14:58:03 | 82.4907 | 0.00131 | 9.5547 | 247.8194 | 167.5619 | 12.42911 | – |
| 2026 Mar 03 18:56 | 2026 Mar 03 11:55:16 | 82.4909 | 0.00131 | 9.6015 | 250.4583 | 167.5619 | 12.42911 | – |
| 2026 Mar 02 18:57 | 2026 Mar 02 14:40:13 | 82.4909 | 0.00131 | 9.6383 | 252.4733 | 167.5619 | 12.42911 | – |