Orbital elements of ESSA 2
| Launched | 27 February 1966 | 
| Flight ended | – | 
| Launch site | Air Force Eastern Test Range, Florida, USA | 
| Owner | United States | 
| NORAD ID | 2091 | 
| Alternative names | 
                                            OT-2                         | 
            
| 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 Nov 03 18:57 | 2025 Nov 02 08:58:13 | 101.2366 | 0.00390 | 14.4099 | 357.4430 | 115.4813 | 12.69426 | 9.743 | 
| 2025 Nov 02 18:57 | 2025 Oct 29 12:36:28 | 101.2363 | 0.00390 | 14.1596 | 5.2060 | 115.4813 | 12.69426 | 9.743 | 
| 2025 Nov 01 18:58 | 2025 Oct 29 12:36:28 | 101.2363 | 0.00390 | 14.1596 | 5.2060 | 115.4813 | 12.69426 | 9.743 | 
| 2025 Oct 31 18:57 | 2025 Oct 29 12:36:28 | 101.2363 | 0.00390 | 14.1596 | 5.2060 | 115.4813 | 12.69426 | 9.743 | 
| 2025 Oct 30 18:57 | 2025 Oct 29 12:36:28 | 101.2363 | 0.00390 | 14.1596 | 5.2060 | 115.4813 | 12.69426 | 9.743 | 
| 2025 Oct 29 18:57 | 2025 Oct 29 12:36:28 | 101.2363 | 0.00390 | 14.1596 | 5.2060 | 115.4813 | 12.69426 | 9.743 | 
| 2025 Oct 28 18:57 | 2025 Oct 23 16:02:19 | 101.2359 | 0.00391 | 13.7786 | 17.0562 | 115.4813 | 12.69426 | 9.743 | 
| 2025 Oct 27 18:57 | 2025 Oct 23 16:02:19 | 101.2359 | 0.00391 | 13.7786 | 17.0562 | 115.4813 | 12.69426 | 9.743 | 
| 2025 Oct 26 18:57 | 2025 Oct 23 16:02:19 | 101.2359 | 0.00391 | 13.7786 | 17.0562 | 115.4813 | 12.69426 | 9.743 | 
| 2025 Oct 25 17:57 | 2025 Oct 23 16:02:19 | 101.2359 | 0.00391 | 13.7786 | 17.0562 | 115.4813 | 12.69426 | 9.743 | 
| 2025 Oct 24 17:57 | 2025 Oct 23 16:02:19 | 101.2359 | 0.00391 | 13.7786 | 17.0562 | 115.4813 | 12.69426 | 9.743 | 
| 2025 Oct 22 17:56 | 2025 Oct 18 07:42:01 | 101.2357 | 0.00392 | 13.4309 | 27.8219 | 115.4813 | 12.69426 | 9.743 | 
| 2025 Oct 21 17:56 | 2025 Oct 18 07:42:01 | 101.2357 | 0.00392 | 13.4309 | 27.8219 | 115.4813 | 12.69426 | 9.743 | 
| 2025 Oct 20 17:56 | 2025 Oct 18 07:42:01 | 101.2357 | 0.00392 | 13.4309 | 27.8219 | 115.4813 | 12.69426 | 9.743 | 
| 2025 Oct 19 17:56 | 2025 Oct 18 07:42:01 | 101.2357 | 0.00392 | 13.4309 | 27.8219 | 115.4813 | 12.69426 | 9.743 | 
| 2025 Oct 18 17:56 | 2025 Oct 18 07:42:01 | 101.2357 | 0.00392 | 13.4309 | 27.8219 | 115.4813 | 12.69426 | 9.743 | 
| 2025 Oct 17 17:56 | 2025 Oct 07 12:53:35 | 101.2353 | 0.00392 | 12.7296 | 49.4979 | 115.4813 | 12.69426 | 9.743 | 
| 2025 Oct 16 17:56 | 2025 Oct 07 12:53:35 | 101.2353 | 0.00392 | 12.7296 | 49.4979 | 115.4813 | 12.69426 | 9.743 | 
| 2025 Oct 15 17:56 | 2025 Oct 07 12:53:35 | 101.2353 | 0.00392 | 12.7296 | 49.4979 | 115.4813 | 12.69426 | 9.743 | 
| 2025 Oct 14 17:56 | 2025 Oct 07 12:53:35 | 101.2353 | 0.00392 | 12.7296 | 49.4979 | 115.4813 | 12.69426 | 9.743 | 
| 2025 Oct 12 17:56 | 2025 Oct 07 12:53:35 | 101.2353 | 0.00392 | 12.7296 | 49.4979 | 115.4813 | 12.69426 | 9.743 | 
| 2025 Oct 11 17:57 | 2025 Oct 07 12:53:35 | 101.2353 | 0.00392 | 12.7296 | 49.4979 | 115.4813 | 12.69426 | 9.743 | 
| 2025 Oct 09 17:56 | 2025 Oct 07 12:53:35 | 101.2353 | 0.00392 | 12.7296 | 49.4979 | 115.4813 | 12.69426 | 9.743 | 
| 2025 Oct 08 17:56 | 2025 Oct 07 12:53:35 | 101.2353 | 0.00392 | 12.7296 | 49.4979 | 115.4813 | 12.69426 | 9.743 | 
| 2025 Oct 07 17:56 | 2025 Oct 07 12:53:35 | 101.2353 | 0.00392 | 12.7296 | 49.4979 | 115.4813 | 12.69426 | 9.743 |