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 Jun 11 17:57 | 2026 Jun 06 14:39:13 | 98.6608 | 0.00807 | 8.0930 | 148.9859 | 211.6131 | 14.43868 | – |
| 2026 Jun 10 17:56 | 2026 Jun 06 14:39:13 | 98.6608 | 0.00807 | 8.0930 | 148.9859 | 211.6131 | 14.43868 | – |
| 2026 Jun 09 17:57 | 2026 Jun 06 14:39:13 | 98.6608 | 0.00807 | 8.0930 | 148.9859 | 211.6131 | 14.43868 | – |
| 2026 Jun 08 17:56 | 2026 Jun 06 14:39:13 | 98.6608 | 0.00807 | 8.0930 | 148.9859 | 211.6131 | 14.43868 | – |
| 2026 Jun 07 17:56 | 2026 Jun 06 14:39:13 | 98.6608 | 0.00807 | 8.0930 | 148.9859 | 211.6131 | 14.43868 | – |
| 2026 Jun 06 17:56 | 2026 May 30 21:19:32 | 98.6605 | 0.00803 | 7.6369 | 169.0567 | 211.6131 | 14.43868 | – |
| 2026 Jun 05 17:56 | 2026 May 30 21:19:32 | 98.6605 | 0.00803 | 7.6369 | 169.0567 | 211.6131 | 14.43868 | – |
| 2026 Jun 04 17:57 | 2026 May 30 21:19:32 | 98.6605 | 0.00803 | 7.6369 | 169.0567 | 211.6131 | 14.43868 | – |
| 2026 Jun 02 17:56 | 2026 May 30 21:19:32 | 98.6605 | 0.00803 | 7.6369 | 169.0567 | 211.6131 | 14.43868 | – |
| 2026 Jun 01 17:57 | 2026 May 30 21:19:32 | 98.6605 | 0.00803 | 7.6369 | 169.0567 | 211.6131 | 14.43868 | – |
| 2026 May 31 17:58 | 2026 May 30 21:19:32 | 98.6605 | 0.00803 | 7.6369 | 169.0567 | 211.6131 | 14.43868 | – |
| 2026 May 30 17:57 | 2026 May 25 19:54:47 | 98.6600 | 0.00800 | 7.2937 | 184.2187 | 211.6131 | 14.43868 | – |
| 2026 May 29 17:57 | 2026 May 25 19:54:47 | 98.6600 | 0.00800 | 7.2937 | 184.2187 | 211.6131 | 14.43868 | – |
| 2026 May 28 17:56 | 2026 May 25 19:54:47 | 98.6600 | 0.00800 | 7.2937 | 184.2187 | 211.6131 | 14.43868 | – |
| 2026 May 27 17:57 | 2026 May 25 19:54:47 | 98.6600 | 0.00800 | 7.2937 | 184.2187 | 211.6131 | 14.43868 | – |
| 2026 May 26 17:57 | 2026 May 25 19:54:47 | 98.6600 | 0.00800 | 7.2937 | 184.2187 | 211.6131 | 14.43868 | – |
| 2026 May 25 17:57 | 2026 May 21 07:48:22 | 98.6598 | 0.00797 | 6.9880 | 197.7765 | 211.6131 | 14.43868 | – |
| 2026 May 24 17:57 | 2026 May 21 07:48:22 | 98.6598 | 0.00797 | 6.9880 | 197.7765 | 211.6131 | 14.43868 | – |
| 2026 May 23 17:58 | 2026 May 21 07:48:22 | 98.6598 | 0.00797 | 6.9880 | 197.7765 | 211.6131 | 14.43868 | – |
| 2026 May 22 17:57 | 2026 May 21 07:48:22 | 98.6598 | 0.00797 | 6.9880 | 197.7765 | 211.6131 | 14.43868 | – |
| 2026 May 21 17:57 | 2026 May 21 07:48:22 | 98.6598 | 0.00797 | 6.9880 | 197.7765 | 211.6131 | 14.43868 | – |
| 2026 May 20 17:57 | 2026 May 16 14:42:34 | 98.6596 | 0.00795 | 6.6683 | 212.0105 | 211.6131 | 14.43868 | – |
| 2026 May 19 17:58 | 2026 May 16 14:42:34 | 98.6596 | 0.00795 | 6.6683 | 212.0105 | 211.6131 | 14.43868 | – |
| 2026 May 18 17:57 | 2026 May 16 14:42:34 | 98.6596 | 0.00795 | 6.6683 | 212.0105 | 211.6131 | 14.43868 | – |
| 2026 May 17 17:57 | 2026 May 16 14:42:34 | 98.6596 | 0.00795 | 6.6683 | 212.0105 | 211.6131 | 14.43868 | – |
| 2026 May 16 17:56 | 2026 May 16 14:42:34 | 98.6596 | 0.00795 | 6.6683 | 212.0105 | 211.6131 | 14.43868 | – |
| 2026 May 15 17:57 | 2026 May 10 10:41:09 | 98.6590 | 0.00792 | 6.2499 | 230.7004 | 211.6131 | 14.43868 | – |