Orbital elements of ECHOSTAR 21
| Launched | 7 June 2017 |
| Flight ended | – |
| Launch site | Tyuratam Missile and Space Center, Kazakhstan (Also known as Baikonur Cosmodrome) |
| Owner | United States |
| NORAD ID | 42749 |
| 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 May 12 17:56 | 2025 May 11 21:10:38 | 2.0374 | 0.00026 | 22.1355 | 81.1166 | 144.6850 | 1.00273 | – |
| 2025 May 11 17:56 | 2025 May 10 21:11:54 | 2.0386 | 0.00026 | 22.1327 | 78.6901 | 144.6850 | 1.00273 | – |
| 2025 May 10 17:56 | 2025 May 09 20:26:38 | 2.0399 | 0.00025 | 22.1299 | 76.2190 | 144.6850 | 1.00273 | – |
| 2025 May 09 17:57 | 2025 May 09 12:38:40 | 2.0400 | 0.00025 | 22.1287 | 75.4482 | 144.6850 | 1.00273 | – |
| 2025 May 08 17:56 | 2025 May 08 04:32:21 | 2.0418 | 0.00025 | 22.1248 | 71.9558 | 144.6850 | 1.00273 | – |
| 2025 May 07 17:56 | 2025 May 07 04:05:47 | 2.0430 | 0.00024 | 22.1218 | 69.2414 | 144.6850 | 1.00273 | – |
| 2025 May 06 17:57 | 2025 May 05 21:15:04 | 2.0446 | 0.00023 | 22.1186 | 71.4580 | 144.6850 | 1.00273 | – |
| 2025 May 05 17:56 | 2025 May 05 08:20:38 | 2.0454 | 0.00023 | 22.1170 | 70.1558 | 144.6850 | 1.00273 | – |
| 2025 May 04 17:57 | 2025 May 04 08:12:38 | 2.0467 | 0.00023 | 22.1138 | 67.7306 | 144.6850 | 1.00273 | – |
| 2025 May 03 17:57 | 2025 May 03 04:08:10 | 2.0481 | 0.00022 | 22.1093 | 65.3731 | 144.6850 | 1.00273 | – |
| 2025 May 02 17:57 | 2025 May 01 21:17:26 | 2.0498 | 0.00022 | 22.1055 | 63.1431 | 144.6850 | 1.00273 | – |
| 2025 May 01 17:56 | 2025 Apr 28 21:19:16 | 2.0538 | 0.00022 | 22.0949 | 60.1238 | 144.6850 | 1.00273 | – |
| 2025 Apr 30 17:56 | 2025 Apr 28 21:19:16 | 2.0538 | 0.00022 | 22.0949 | 60.1238 | 144.6850 | 1.00273 | – |
| 2025 Apr 29 17:57 | 2025 Apr 28 21:19:16 | 2.0538 | 0.00022 | 22.0949 | 60.1238 | 144.6850 | 1.00273 | – |
| 2025 Apr 27 17:56 | 2025 Apr 27 07:02:38 | 2.0562 | 0.00022 | 22.0888 | 59.6980 | 144.6850 | 1.00273 | – |
| 2025 Apr 26 17:57 | 2025 Apr 26 04:12:18 | 2.0576 | 0.00023 | 22.0845 | 59.2520 | 144.6850 | 1.00273 | – |
| 2025 Apr 25 17:56 | 2025 Apr 24 21:18:38 | 2.0594 | 0.00023 | 22.0805 | 58.7317 | 144.6850 | 1.00273 | – |
| 2025 Apr 24 17:56 | 2025 Apr 23 21:22:16 | 2.0607 | 0.00024 | 22.0771 | 58.2551 | 144.6850 | 1.00273 | – |
| 2025 Apr 23 17:57 | 2025 Apr 22 12:48:44 | 2.0623 | 0.00024 | 22.0724 | 65.6783 | 144.6850 | 1.00273 | – |
| 2025 Apr 22 17:56 | 2025 Apr 21 21:04:45 | 2.0634 | 0.00024 | 22.0705 | 64.8855 | 144.6850 | 1.00273 | – |
| 2025 Apr 21 17:57 | 2025 Apr 20 21:21:14 | 2.0647 | 0.00025 | 22.0675 | 63.9616 | 144.6850 | 1.00273 | – |
| 2025 Apr 20 17:56 | 2025 Apr 20 06:52:21 | 2.0655 | 0.00025 | 22.0653 | 63.4950 | 144.6850 | 1.00273 | – |
| 2025 Apr 19 17:56 | 2025 Apr 19 04:16:21 | 2.0668 | 0.00025 | 22.0618 | 61.7039 | 144.6850 | 1.00273 | – |
| 2025 Apr 18 17:57 | 2025 Apr 17 21:30:44 | 2.0685 | 0.00025 | 22.0587 | 59.2993 | 144.6850 | 1.00273 | – |
| 2025 Apr 17 17:56 | 2025 Apr 16 21:24:38 | 2.0697 | 0.00025 | 22.0558 | 57.1740 | 144.6850 | 1.00273 | – |
| 2025 Apr 16 17:57 | 2025 Apr 15 21:26:52 | 2.0708 | 0.00025 | 22.0530 | 54.8398 | 144.6850 | 1.00273 | – |
| 2025 Apr 15 17:56 | 2025 Apr 15 07:57:38 | 2.0715 | 0.00025 | 22.0513 | 53.2670 | 144.6850 | 1.00273 | – |