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 Jun 04 17:57 | 2025 Jun 01 07:26:42 | 98.6090 | 0.00804 | 7.0531 | 180.2412 | 179.8752 | 14.43560 | – |
| 2025 Jun 03 17:57 | 2025 Jun 01 07:26:42 | 98.6090 | 0.00804 | 7.0531 | 180.2412 | 179.8752 | 14.43560 | – |
| 2025 Jun 02 17:58 | 2025 Jun 01 07:26:42 | 98.6090 | 0.00804 | 7.0531 | 180.2412 | 179.8752 | 14.43560 | – |
| 2025 Jun 01 17:56 | 2025 Jun 01 07:26:42 | 98.6090 | 0.00804 | 7.0531 | 180.2412 | 179.8752 | 14.43560 | – |
| 2025 May 31 17:56 | 2025 May 25 14:04:55 | 98.6089 | 0.00800 | 6.5998 | 200.4989 | 179.8752 | 14.43560 | – |
| 2025 May 30 17:56 | 2025 May 25 14:04:55 | 98.6089 | 0.00800 | 6.5998 | 200.4989 | 179.8752 | 14.43560 | – |
| 2025 May 29 17:56 | 2025 May 25 14:04:55 | 98.6089 | 0.00800 | 6.5998 | 200.4989 | 179.8752 | 14.43560 | – |
| 2025 May 28 17:56 | 2025 May 25 14:04:55 | 98.6089 | 0.00800 | 6.5998 | 200.4989 | 179.8752 | 14.43560 | – |
| 2025 May 27 17:57 | 2025 May 25 14:04:55 | 98.6089 | 0.00800 | 6.5998 | 200.4989 | 179.8752 | 14.43560 | – |
| 2025 May 26 17:56 | 2025 May 25 14:04:55 | 98.6089 | 0.00800 | 6.5998 | 200.4989 | 179.8752 | 14.43560 | – |
| 2025 May 25 17:56 | 2025 May 21 06:56:34 | 98.6085 | 0.00798 | 6.3101 | 213.4886 | 179.8752 | 14.43560 | – |
| 2025 May 24 17:57 | 2025 May 21 06:56:34 | 98.6085 | 0.00798 | 6.3101 | 213.4886 | 179.8752 | 14.43560 | – |
| 2025 May 23 17:56 | 2025 May 21 06:56:34 | 98.6085 | 0.00798 | 6.3101 | 213.4886 | 179.8752 | 14.43560 | – |
| 2025 May 22 17:56 | 2025 May 21 06:56:34 | 98.6085 | 0.00798 | 6.3101 | 213.4886 | 179.8752 | 14.43560 | – |
| 2025 May 21 17:56 | 2025 May 21 06:56:34 | 98.6085 | 0.00798 | 6.3101 | 213.4886 | 179.8752 | 14.43560 | – |
| 2025 May 20 17:56 | 2025 May 15 07:52:43 | 98.6081 | 0.00795 | 5.9083 | 231.5889 | 179.8752 | 14.43560 | – |
| 2025 May 19 17:56 | 2025 May 15 07:52:43 | 98.6081 | 0.00795 | 5.9083 | 231.5889 | 179.8752 | 14.43560 | – |
| 2025 May 18 17:57 | 2025 May 15 07:52:43 | 98.6081 | 0.00795 | 5.9083 | 231.5889 | 179.8752 | 14.43560 | – |
| 2025 May 17 17:57 | 2025 May 15 07:52:43 | 98.6081 | 0.00795 | 5.9083 | 231.5889 | 179.8752 | 14.43560 | – |
| 2025 May 16 17:56 | 2025 May 15 07:52:43 | 98.6081 | 0.00795 | 5.9083 | 231.5889 | 179.8752 | 14.43560 | – |
| 2025 May 15 17:57 | 2025 May 15 07:52:43 | 98.6081 | 0.00795 | 5.9083 | 231.5889 | 179.8752 | 14.43560 | – |
| 2025 May 14 17:56 | 2025 May 09 10:28:40 | 98.6074 | 0.00793 | 5.5112 | 249.5217 | 179.8752 | 14.43560 | – |
| 2025 May 13 17:56 | 2025 May 09 10:28:40 | 98.6074 | 0.00793 | 5.5112 | 249.5217 | 179.8752 | 14.43560 | – |
| 2025 May 12 17:56 | 2025 May 09 10:28:40 | 98.6074 | 0.00793 | 5.5112 | 249.5217 | 179.8752 | 14.43560 | – |
| 2025 May 11 17:56 | 2025 May 09 10:28:40 | 98.6074 | 0.00793 | 5.5112 | 249.5217 | 179.8752 | 14.43560 | – |
| 2025 May 10 17:56 | 2025 May 09 10:28:40 | 98.6074 | 0.00793 | 5.5112 | 249.5217 | 179.8752 | 14.43560 | – |
| 2025 May 09 17:57 | 2025 May 09 10:28:40 | 98.6074 | 0.00793 | 5.5112 | 249.5217 | 179.8752 | 14.43560 | – |
| 2025 May 08 17:56 | 2025 May 03 14:44:26 | 98.6067 | 0.00793 | 5.1187 | 267.2789 | 179.8752 | 14.43560 | – |