Orbital elements of ESSA 8
| Launched | 14 December 1968 |
| Flight ended | – |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 3615 |
| Alternative names |
TOS-F |
| 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 Feb 05 18:58 | 2026 Feb 02 11:24:45 | 101.6841 | 0.00317 | 22.9433 | 223.9819 | 135.8735 | 12.56247 | 8.400 |
| 2026 Feb 04 18:57 | 2026 Feb 02 11:24:45 | 101.6841 | 0.00317 | 22.9433 | 223.9819 | 135.8735 | 12.56247 | 8.400 |
| 2026 Feb 03 18:56 | 2026 Feb 02 11:24:45 | 101.6841 | 0.00317 | 22.9433 | 223.9819 | 135.8735 | 12.56247 | 8.400 |
| 2026 Feb 02 18:56 | 2026 Feb 02 11:24:45 | 101.6841 | 0.00317 | 22.9433 | 223.9819 | 135.8735 | 12.56247 | 8.400 |
| 2026 Feb 01 18:56 | 2026 Jan 27 19:42:43 | 101.6833 | 0.00316 | 22.5704 | 235.1064 | 135.8735 | 12.56247 | 8.400 |
| 2026 Jan 31 18:56 | 2026 Jan 27 19:42:43 | 101.6833 | 0.00316 | 22.5704 | 235.1064 | 135.8735 | 12.56247 | 8.400 |
| 2026 Jan 30 18:57 | 2026 Jan 27 19:42:43 | 101.6833 | 0.00316 | 22.5704 | 235.1064 | 135.8735 | 12.56247 | 8.400 |
| 2026 Jan 29 18:56 | 2026 Jan 27 19:42:43 | 101.6833 | 0.00316 | 22.5704 | 235.1064 | 135.8735 | 12.56247 | 8.400 |
| 2026 Jan 28 18:56 | 2026 Jan 27 19:42:43 | 101.6833 | 0.00316 | 22.5704 | 235.1064 | 135.8735 | 12.56247 | 8.400 |
| 2026 Jan 27 18:56 | 2026 Jan 22 11:39:23 | 101.6827 | 0.00316 | 22.2185 | 245.6007 | 135.8735 | 12.56247 | 8.400 |
| 2026 Jan 26 18:57 | 2026 Jan 22 11:39:23 | 101.6827 | 0.00316 | 22.2185 | 245.6007 | 135.8735 | 12.56247 | 8.400 |
| 2026 Jan 25 18:57 | 2026 Jan 22 11:39:23 | 101.6827 | 0.00316 | 22.2185 | 245.6007 | 135.8735 | 12.56247 | 8.400 |
| 2026 Jan 24 18:58 | 2026 Jan 22 11:39:23 | 101.6827 | 0.00316 | 22.2185 | 245.6007 | 135.8735 | 12.56247 | 8.400 |
| 2026 Jan 22 18:56 | 2026 Jan 22 11:39:23 | 101.6827 | 0.00316 | 22.2185 | 245.6007 | 135.8735 | 12.56247 | 8.400 |
| 2026 Jan 21 18:56 | 2026 Jan 16 14:13:19 | 101.6815 | 0.00316 | 21.8299 | 257.1855 | 135.8735 | 12.56247 | 8.400 |
| 2026 Jan 20 19:06 | 2026 Jan 16 14:13:19 | 101.6815 | 0.00316 | 21.8299 | 257.1855 | 135.8735 | 12.56247 | 8.400 |
| 2026 Jan 19 18:57 | 2026 Jan 16 14:13:19 | 101.6815 | 0.00316 | 21.8299 | 257.1855 | 135.8735 | 12.56247 | 8.400 |
| 2026 Jan 18 18:57 | 2026 Jan 16 14:13:19 | 101.6815 | 0.00316 | 21.8299 | 257.1855 | 135.8735 | 12.56247 | 8.400 |
| 2026 Jan 17 18:56 | 2026 Jan 16 14:13:19 | 101.6815 | 0.00316 | 21.8299 | 257.1855 | 135.8735 | 12.56247 | 8.400 |
| 2026 Jan 16 18:57 | 2026 Jan 16 14:13:19 | 101.6815 | 0.00316 | 21.8299 | 257.1855 | 135.8735 | 12.56247 | 8.400 |
| 2026 Jan 15 18:56 | 2026 Jan 11 13:48:42 | 101.6808 | 0.00316 | 21.4991 | 267.0374 | 135.8735 | 12.56247 | 8.400 |