Orbital elements of ECHO
| Launched | 28 June 2004 |
| Flight ended | – |
| Launch site | Tyuratam Missile and Space Center, Kazakhstan (Also known as Baikonur Cosmodrome) |
| Owner | United States |
| NORAD ID | 28375 |
| Alternative names |
AO-51 |
| 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 06 18:56 | 2026 Mar 04 10:22:48 | 98.6492 | 0.00813 | 1.7068 | 72.4837 | 288.5219 | 14.43807 | – |
| 2026 Mar 05 18:56 | 2026 Mar 04 10:22:48 | 98.6492 | 0.00813 | 1.7068 | 72.4837 | 288.5219 | 14.43807 | – |
| 2026 Mar 04 18:57 | 2026 Mar 04 10:22:48 | 98.6492 | 0.00813 | 1.7068 | 72.4837 | 288.5219 | 14.43807 | – |
| 2026 Mar 03 18:56 | 2026 Feb 26 11:20:31 | 98.6480 | 0.00814 | 1.3032 | 90.0952 | 288.5219 | 14.43807 | – |
| 2026 Mar 02 18:57 | 2026 Feb 26 11:20:31 | 98.6480 | 0.00814 | 1.3032 | 90.0952 | 288.5219 | 14.43807 | – |
| 2026 Mar 01 18:57 | 2026 Feb 26 11:20:31 | 98.6480 | 0.00814 | 1.3032 | 90.0952 | 288.5219 | 14.43807 | – |
| 2026 Feb 28 18:56 | 2026 Feb 26 11:20:31 | 98.6480 | 0.00814 | 1.3032 | 90.0952 | 288.5219 | 14.43807 | – |
| 2026 Feb 27 19:05 | 2026 Feb 26 11:20:31 | 98.6480 | 0.00814 | 1.3032 | 90.0952 | 288.5219 | 14.43807 | – |
| 2026 Feb 26 20:45 | 2026 Feb 26 11:20:31 | 98.6480 | 0.00814 | 1.3032 | 90.0952 | 288.5219 | 14.43807 | – |