Orbital elements of COSMOS 1266 FUEL CORE
| Launched | 20 April 1981 |
| Flight ended | – |
| Launch site | Tyuratam Missile and Space Center, Kazakhstan (Also known as Baikonur Cosmodrome) |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 12435 |
| 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 11 18:56 | 2026 Mar 10 08:23:07 | 64.7709 | 0.00355 | 1.3419 | 257.2713 | 102.4376 | 13.93190 | – |
| 2026 Mar 10 18:56 | 2026 Mar 10 08:23:07 | 64.7709 | 0.00355 | 1.3419 | 257.2713 | 102.4376 | 13.93190 | – |
| 2026 Mar 09 18:56 | 2026 Mar 04 09:23:44 | 64.7697 | 0.00357 | 2.3955 | 258.0580 | 102.4376 | 13.93190 | – |
| 2026 Mar 08 18:57 | 2026 Mar 04 09:23:44 | 64.7697 | 0.00357 | 2.3955 | 258.0580 | 102.4376 | 13.93190 | – |
| 2026 Mar 07 18:57 | 2026 Mar 04 09:23:44 | 64.7697 | 0.00357 | 2.3955 | 258.0580 | 102.4376 | 13.93190 | – |
| 2026 Mar 06 18:56 | 2026 Mar 04 09:23:44 | 64.7697 | 0.00357 | 2.3955 | 258.0580 | 102.4376 | 13.93190 | – |
| 2026 Mar 05 18:56 | 2026 Mar 04 09:23:44 | 64.7697 | 0.00357 | 2.3955 | 258.0580 | 102.4376 | 13.93190 | – |
| 2026 Mar 04 18:57 | 2026 Mar 04 09:23:44 | 64.7697 | 0.00357 | 2.3955 | 258.0580 | 102.4376 | 13.93190 | – |
| 2026 Mar 03 18:56 | 2026 Feb 26 13:51:06 | 64.7686 | 0.00358 | 3.4237 | 258.8413 | 102.4376 | 13.93190 | – |
| 2026 Mar 02 18:57 | 2026 Feb 26 13:51:06 | 64.7686 | 0.00358 | 3.4237 | 258.8413 | 102.4376 | 13.93190 | – |
| 2026 Mar 01 18:57 | 2026 Feb 26 13:51:06 | 64.7686 | 0.00358 | 3.4237 | 258.8413 | 102.4376 | 13.93190 | – |
| 2026 Feb 28 18:56 | 2026 Feb 26 13:51:06 | 64.7686 | 0.00358 | 3.4237 | 258.8413 | 102.4376 | 13.93190 | – |
| 2026 Feb 27 19:05 | 2026 Feb 26 13:51:06 | 64.7686 | 0.00358 | 3.4237 | 258.8413 | 102.4376 | 13.93190 | – |
| 2026 Feb 26 20:45 | 2026 Feb 26 13:51:06 | 64.7686 | 0.00358 | 3.4237 | 258.8413 | 102.4376 | 13.93190 | – |