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 |
| 2025 Aug 20 17:56 | 2025 Aug 17 20:53:22 | 98.6143 | 0.00795 | 12.2833 | 308.8359 | 50.5753 | 14.43608 | – |
| 2025 Aug 19 17:56 | 2025 Aug 17 20:53:22 | 98.6143 | 0.00795 | 12.2833 | 308.8359 | 50.5753 | 14.43608 | – |
| 2025 Aug 18 17:56 | 2025 Aug 17 20:53:22 | 98.6143 | 0.00795 | 12.2833 | 308.8359 | 50.5753 | 14.43608 | – |
| 2025 Aug 16 17:56 | 2025 Aug 12 09:28:36 | 98.6134 | 0.00798 | 11.9139 | 325.4376 | 50.5753 | 14.43608 | – |
| 2025 Aug 15 17:57 | 2025 Aug 12 09:28:36 | 98.6134 | 0.00798 | 11.9139 | 325.4376 | 50.5753 | 14.43608 | – |
| 2025 Aug 14 17:56 | 2025 Aug 12 09:28:36 | 98.6134 | 0.00798 | 11.9139 | 325.4376 | 50.5753 | 14.43608 | – |
| 2025 Aug 13 17:58 | 2025 Aug 12 09:28:36 | 98.6134 | 0.00798 | 11.9139 | 325.4376 | 50.5753 | 14.43608 | – |
| 2025 Aug 12 17:56 | 2025 Aug 12 09:28:36 | 98.6134 | 0.00798 | 11.9139 | 325.4376 | 50.5753 | 14.43608 | – |
| 2025 Aug 11 17:56 | 2025 Aug 06 20:24:01 | 98.6128 | 0.00801 | 11.5399 | 342.1826 | 50.5753 | 14.43608 | – |
| 2025 Aug 10 17:57 | 2025 Aug 06 20:24:01 | 98.6128 | 0.00801 | 11.5399 | 342.1826 | 50.5753 | 14.43608 | – |
| 2025 Aug 09 17:56 | 2025 Aug 06 20:24:01 | 98.6128 | 0.00801 | 11.5399 | 342.1826 | 50.5753 | 14.43608 | – |
| 2025 Aug 08 17:56 | 2025 Aug 06 20:24:01 | 98.6128 | 0.00801 | 11.5399 | 342.1826 | 50.5753 | 14.43608 | – |
| 2025 Aug 07 17:56 | 2025 Aug 06 20:24:01 | 98.6128 | 0.00801 | 11.5399 | 342.1826 | 50.5753 | 14.43608 | – |
| 2025 Aug 05 17:56 | 2025 Aug 01 02:19:59 | 98.6120 | 0.00805 | 11.1519 | 359.4805 | 50.5753 | 14.43608 | – |
| 2025 Aug 04 17:56 | 2025 Aug 01 02:19:59 | 98.6120 | 0.00805 | 11.1519 | 359.4805 | 50.5753 | 14.43608 | – |
| 2025 Aug 03 17:56 | 2025 Aug 01 02:19:59 | 98.6120 | 0.00805 | 11.1519 | 359.4805 | 50.5753 | 14.43608 | – |
| 2025 Aug 02 17:56 | 2025 Aug 01 02:19:59 | 98.6120 | 0.00805 | 11.1519 | 359.4805 | 50.5753 | 14.43608 | – |
| 2025 Aug 01 17:56 | 2025 Aug 01 02:19:59 | 98.6120 | 0.00805 | 11.1519 | 359.4805 | 50.5753 | 14.43608 | – |
| 2025 Jul 31 17:56 | 2025 Jul 25 20:37:17 | 98.6117 | 0.00809 | 10.7311 | 18.1332 | 50.5753 | 14.43608 | – |
| 2025 Jul 29 17:56 | 2025 Jul 25 20:37:17 | 98.6117 | 0.00809 | 10.7311 | 18.1332 | 50.5753 | 14.43608 | – |
| 2025 Jul 28 17:58 | 2025 Jul 25 20:37:17 | 98.6117 | 0.00809 | 10.7311 | 18.1332 | 50.5753 | 14.43608 | – |
| 2025 Jul 26 17:56 | 2025 Jul 25 20:37:17 | 98.6117 | 0.00809 | 10.7311 | 18.1332 | 50.5753 | 14.43608 | – |
| 2025 Jul 25 17:56 | 2025 Jul 20 14:11:51 | 98.6114 | 0.00812 | 10.3759 | 33.8515 | 50.5753 | 14.43608 | – |
| 2025 Jul 24 17:56 | 2025 Jul 20 14:11:51 | 98.6114 | 0.00812 | 10.3759 | 33.8515 | 50.5753 | 14.43608 | – |