Orbital elements of COSMOS 1878
| Launched | 6 September 1987 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 18337 |
| 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 Dec 17 18:58 | 2025 Dec 12 06:47:45 | 82.5709 | 0.00020 | 3.5034 | 299.2532 | 125.5829 | 12.64380 | 8.243 |
| 2025 Dec 16 18:57 | 2025 Dec 12 06:47:45 | 82.5709 | 0.00020 | 3.5034 | 299.2532 | 125.5829 | 12.64380 | 8.243 |
| 2025 Dec 15 18:58 | 2025 Dec 12 06:47:45 | 82.5709 | 0.00020 | 3.5034 | 299.2532 | 125.5829 | 12.64380 | 8.243 |
| 2025 Dec 14 18:56 | 2025 Dec 12 06:47:45 | 82.5709 | 0.00020 | 3.5034 | 299.2532 | 125.5829 | 12.64380 | 8.243 |
| 2025 Dec 13 18:56 | 2025 Dec 12 06:47:45 | 82.5709 | 0.00020 | 3.5034 | 299.2532 | 125.5829 | 12.64380 | 8.243 |
| 2025 Dec 12 18:57 | 2025 Dec 12 06:47:45 | 82.5709 | 0.00020 | 3.5034 | 299.2532 | 125.5829 | 12.64380 | 8.243 |
| 2025 Dec 11 18:56 | 2025 Dec 07 04:59:19 | 82.5712 | 0.00021 | 3.7204 | 315.2799 | 125.5829 | 12.64380 | 8.243 |
| 2025 Dec 10 18:56 | 2025 Dec 07 04:59:19 | 82.5712 | 0.00021 | 3.7204 | 315.2799 | 125.5829 | 12.64380 | 8.243 |
| 2025 Dec 09 18:56 | 2025 Dec 07 04:59:19 | 82.5712 | 0.00021 | 3.7204 | 315.2799 | 125.5829 | 12.64380 | 8.243 |
| 2025 Dec 08 18:56 | 2025 Dec 07 04:59:19 | 82.5712 | 0.00021 | 3.7204 | 315.2799 | 125.5829 | 12.64380 | 8.243 |
| 2025 Dec 07 18:56 | 2025 Dec 07 04:59:19 | 82.5712 | 0.00021 | 3.7204 | 315.2799 | 125.5829 | 12.64380 | 8.243 |
| 2025 Dec 06 18:56 | 2025 Dec 02 12:55:14 | 82.5713 | 0.00023 | 3.9200 | 329.5162 | 125.5829 | 12.64380 | 8.243 |
| 2025 Dec 05 18:57 | 2025 Dec 02 12:55:14 | 82.5713 | 0.00023 | 3.9200 | 329.5162 | 125.5829 | 12.64380 | 8.243 |
| 2025 Dec 04 18:57 | 2025 Dec 02 12:55:14 | 82.5713 | 0.00023 | 3.9200 | 329.5162 | 125.5829 | 12.64380 | 8.243 |
| 2025 Dec 03 18:56 | 2025 Dec 02 12:55:14 | 82.5713 | 0.00023 | 3.9200 | 329.5162 | 125.5829 | 12.64380 | 8.243 |
| 2025 Dec 02 18:56 | 2025 Dec 02 12:55:14 | 82.5713 | 0.00023 | 3.9200 | 329.5162 | 125.5829 | 12.64380 | 8.243 |
| 2025 Nov 30 18:57 | 2025 Nov 25 11:54:05 | 82.5710 | 0.00025 | 4.2210 | 350.9672 | 125.5829 | 12.64380 | 8.243 |
| 2025 Nov 29 18:56 | 2025 Nov 25 11:54:05 | 82.5710 | 0.00025 | 4.2210 | 350.9672 | 125.5829 | 12.64380 | 8.243 |
| 2025 Nov 28 18:57 | 2025 Nov 25 11:54:05 | 82.5710 | 0.00025 | 4.2210 | 350.9672 | 125.5829 | 12.64380 | 8.243 |
| 2025 Nov 27 18:57 | 2025 Nov 25 11:54:05 | 82.5710 | 0.00025 | 4.2210 | 350.9672 | 125.5829 | 12.64380 | 8.243 |
| 2025 Nov 26 18:57 | 2025 Nov 25 11:54:05 | 82.5710 | 0.00025 | 4.2210 | 350.9672 | 125.5829 | 12.64380 | 8.243 |
| 2025 Nov 25 18:57 | 2025 Nov 25 11:54:05 | 82.5710 | 0.00025 | 4.2210 | 350.9672 | 125.5829 | 12.64380 | 8.243 |
| 2025 Nov 24 18:56 | 2025 Nov 20 06:38:59 | 82.5708 | 0.00027 | 4.4441 | 2.5098 | 125.5829 | 12.64380 | 8.243 |
| 2025 Nov 23 18:57 | 2025 Nov 20 06:38:59 | 82.5708 | 0.00027 | 4.4441 | 2.5098 | 125.5829 | 12.64380 | 8.243 |
| 2025 Nov 21 18:57 | 2025 Nov 20 06:38:59 | 82.5708 | 0.00027 | 4.4441 | 2.5098 | 125.5829 | 12.64380 | 8.243 |
| 2025 Nov 20 18:56 | 2025 Nov 20 06:38:59 | 82.5708 | 0.00027 | 4.4441 | 2.5098 | 125.5829 | 12.64380 | 8.243 |