Orbital elements of COSMOS 1998
| Launched | 9 February 1989 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 19789 |
| 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 |
| 2024 Jun 29 17:53 | 2024 Jun 24 18:28:29 | 82.6115 | 0.00168 | 4.8428 | 124.0061 | 236.2628 | 12.64902 | – |
| 2024 Jun 28 17:53 | 2024 Jun 24 18:28:29 | 82.6115 | 0.00168 | 4.8428 | 124.0061 | 236.2628 | 12.64902 | – |
| 2024 Jun 27 17:54 | 2024 Jun 24 18:28:29 | 82.6115 | 0.00168 | 4.8428 | 124.0061 | 236.2628 | 12.64902 | – |
| 2024 Jun 26 17:54 | 2024 Jun 24 18:28:29 | 82.6115 | 0.00168 | 4.8428 | 124.0061 | 236.2628 | 12.64902 | – |
| 2024 Jun 25 17:52 | 2024 Jun 24 18:28:29 | 82.6115 | 0.00168 | 4.8428 | 124.0061 | 236.2628 | 12.64902 | – |
| 2024 Jun 24 17:53 | 2024 Jun 19 11:17:12 | 82.6118 | 0.00166 | 5.0683 | 135.4915 | 236.2628 | 12.64902 | – |
| 2024 Jun 23 17:52 | 2024 Jun 19 11:17:12 | 82.6118 | 0.00166 | 5.0683 | 135.4915 | 236.2628 | 12.64902 | – |
| 2024 Jun 22 17:57 | 2024 Jun 19 11:17:12 | 82.6118 | 0.00166 | 5.0683 | 135.4915 | 236.2628 | 12.64902 | – |
| 2024 Jun 21 17:57 | 2024 Jun 19 11:17:12 | 82.6118 | 0.00166 | 5.0683 | 135.4915 | 236.2628 | 12.64902 | – |
| 2024 Jun 20 17:56 | 2024 Jun 19 11:17:12 | 82.6118 | 0.00166 | 5.0683 | 135.4915 | 236.2628 | 12.64902 | – |
| 2024 Jun 19 17:54 | 2024 Jun 19 11:17:12 | 82.6118 | 0.00166 | 5.0683 | 135.4915 | 236.2628 | 12.64902 | – |
| 2024 Jun 18 17:54 | 2024 Jun 14 11:41:30 | 82.6118 | 0.00164 | 5.2803 | 146.4704 | 236.2628 | 12.64902 | – |
| 2024 Jun 17 17:53 | 2024 Jun 14 11:41:30 | 82.6118 | 0.00164 | 5.2803 | 146.4704 | 236.2628 | 12.64902 | – |
| 2024 Jun 16 17:56 | 2024 Jun 14 11:41:30 | 82.6118 | 0.00164 | 5.2803 | 146.4704 | 236.2628 | 12.64902 | – |
| 2024 Jun 15 17:53 | 2024 Jun 14 11:41:30 | 82.6118 | 0.00164 | 5.2803 | 146.4704 | 236.2628 | 12.64902 | – |
| 2024 Jun 14 17:53 | 2024 Jun 14 11:41:30 | 82.6118 | 0.00164 | 5.2803 | 146.4704 | 236.2628 | 12.64902 | – |
| 2024 Jun 13 17:56 | 2024 Jun 08 11:25:06 | 82.6116 | 0.00161 | 5.5361 | 159.8180 | 236.2628 | 12.64902 | – |
| 2024 Jun 12 17:53 | 2024 Jun 08 11:25:06 | 82.6116 | 0.00161 | 5.5361 | 159.8180 | 236.2628 | 12.64902 | – |
| 2024 Jun 11 17:52 | 2024 Jun 08 11:25:06 | 82.6116 | 0.00161 | 5.5361 | 159.8180 | 236.2628 | 12.64902 | – |
| 2024 Jun 10 17:53 | 2024 Jun 08 11:25:06 | 82.6116 | 0.00161 | 5.5361 | 159.8180 | 236.2628 | 12.64902 | – |
| 2024 Jun 09 17:52 | 2024 Jun 08 11:25:06 | 82.6116 | 0.00161 | 5.5361 | 159.8180 | 236.2628 | 12.64902 | – |
| 2024 Jun 08 17:52 | 2024 Jun 04 01:06:42 | 82.6114 | 0.00159 | 5.7246 | 169.7997 | 236.2628 | 12.64902 | – |
| 2024 Jun 07 17:53 | 2024 Jun 04 01:06:42 | 82.6114 | 0.00159 | 5.7246 | 169.7997 | 236.2628 | 12.64902 | – |
| 2024 Jun 06 17:52 | 2024 Jun 04 01:06:42 | 82.6114 | 0.00159 | 5.7246 | 169.7997 | 236.2628 | 12.64902 | – |
| 2024 Jun 05 17:52 | 2024 Jun 04 01:06:42 | 82.6114 | 0.00159 | 5.7246 | 169.7997 | 236.2628 | 12.64902 | – |
| 2024 Jun 04 17:52 | 2024 Jun 04 01:06:42 | 82.6114 | 0.00159 | 5.7246 | 169.7997 | 236.2628 | 12.64902 | – |
| 2024 Jun 03 17:52 | 2024 May 29 08:25:54 | 82.6108 | 0.00157 | 5.9669 | 182.8718 | 236.2628 | 12.64902 | – |
| 2024 Jun 02 17:52 | 2024 May 29 08:25:54 | 82.6108 | 0.00157 | 5.9669 | 182.8718 | 236.2628 | 12.64902 | – |