Orbital elements of INTELSAT 21
| Launched | 18 August 2012 |
| Flight ended | – |
| Launch site | Sea Launch Platform (mobile) |
| Owner | International Telecommunications Satellite Organization (INTELSAT) |
| NORAD ID | 38749 |
| Alternative names |
IS-21 |
| 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 15 17:56 | 2026 Jun 15 11:04:29 | 0.0181 | 0.00013 | 22.4928 | 124.0903 | 270.3882 | 1.00271 | 6.243 |
| 2026 Jun 14 17:57 | 2026 Jun 14 11:07:09 | 0.0168 | 0.00013 | 21.7494 | 133.7853 | 270.3882 | 1.00271 | 6.243 |
| 2026 Jun 13 17:56 | 2026 Jun 13 06:23:47 | 0.0129 | 0.00013 | 20.0237 | 156.5692 | 270.3882 | 1.00271 | 6.243 |
| 2026 Jun 12 17:56 | 2026 Jun 12 07:06:51 | 0.0166 | 0.00013 | 19.6430 | 159.8497 | 270.3882 | 1.00271 | 6.243 |
| 2026 Jun 11 17:57 | 2026 Jun 11 02:42:09 | 0.0203 | 0.00013 | 19.1106 | 164.5183 | 270.3882 | 1.00271 | 6.243 |
| 2026 Jun 10 17:56 | 2026 Jun 10 06:10:19 | 0.0227 | 0.00017 | 18.8911 | 177.3275 | 270.3882 | 1.00271 | 6.243 |
| 2026 Jun 09 17:57 | 2026 Jun 09 11:21:01 | 0.0247 | 0.00017 | 18.7033 | 177.4936 | 270.3882 | 1.00271 | 6.243 |
| 2026 Jun 08 17:56 | 2026 Jun 08 06:15:48 | 0.0458 | 0.00020 | 5.8437 | 357.4167 | 270.3882 | 1.00271 | 6.243 |
| 2026 Jun 07 17:56 | 2026 Jun 07 04:35:46 | 0.0435 | 0.00020 | 5.7620 | 357.2616 | 270.3882 | 1.00271 | 6.243 |
| 2026 Jun 06 17:56 | 2026 Jun 06 02:55:45 | 0.0413 | 0.00021 | 5.6230 | 357.6577 | 270.3882 | 1.00271 | 6.243 |
| 2026 Jun 05 17:56 | 2026 Jun 05 06:23:50 | 0.0398 | 0.00021 | 5.5040 | 357.7072 | 270.3882 | 1.00271 | 6.243 |
| 2026 Jun 04 17:57 | 2026 Jun 04 01:18:30 | 0.0368 | 0.00022 | 5.1924 | 7.0429 | 270.3882 | 1.00271 | 6.243 |
| 2026 Jun 02 17:56 | 2026 Jun 02 04:46:38 | 0.0328 | 0.00022 | 4.7413 | 10.0118 | 270.3882 | 1.00271 | 6.243 |
| 2026 Jun 01 17:57 | 2026 Jun 01 06:34:36 | 0.0297 | 0.00022 | 4.3851 | 13.4530 | 270.3882 | 1.00271 | 6.243 |
| 2026 May 31 17:58 | 2026 May 31 11:45:17 | 0.0252 | 0.00021 | 3.8204 | 20.2085 | 270.3882 | 1.00271 | 6.243 |
| 2026 May 30 17:57 | 2026 May 30 03:48:38 | 0.0220 | 0.00021 | 3.3319 | 24.6868 | 270.3882 | 1.00271 | 6.243 |
| 2026 May 29 17:57 | 2026 May 29 11:50:35 | 0.0189 | 0.00021 | 2.8061 | 31.4672 | 270.3882 | 1.00271 | 6.243 |
| 2026 May 28 17:56 | 2026 May 28 08:27:57 | 0.0161 | 0.00020 | 0.5560 | 66.5857 | 270.3882 | 1.00271 | 6.243 |
| 2026 May 27 17:57 | 2026 May 27 11:55:58 | 0.0161 | 0.00020 | 23.7282 | 77.2094 | 270.3882 | 1.00271 | 6.243 |
| 2026 May 26 17:57 | 2026 May 26 03:25:22 | 0.0169 | 0.00020 | 23.1773 | 85.6073 | 270.3882 | 1.00271 | 6.243 |
| 2026 May 25 17:57 | 2026 May 25 10:18:45 | 0.0175 | 0.00020 | 22.5452 | 93.4579 | 270.3882 | 1.00271 | 6.243 |
| 2026 May 24 17:57 | 2026 May 24 03:03:22 | 0.0172 | 0.00019 | 21.5290 | 104.7704 | 270.3882 | 1.00271 | 6.243 |
| 2026 May 23 17:58 | 2026 May 23 12:06:42 | 0.0179 | 0.00018 | 21.1962 | 107.4995 | 270.3882 | 1.00271 | 6.243 |
| 2026 May 22 17:57 | 2026 May 22 05:18:43 | 0.0178 | 0.00017 | 19.9793 | 120.3962 | 270.3882 | 1.00271 | 6.243 |
| 2026 May 21 17:57 | 2026 May 21 05:21:28 | 0.0164 | 0.00016 | 19.8083 | 120.0266 | 270.3882 | 1.00271 | 6.243 |
| 2026 May 20 17:57 | 2026 May 20 08:15:38 | 0.0151 | 0.00013 | 19.6789 | 129.6137 | 270.3882 | 1.00271 | 6.243 |
| 2026 May 19 17:58 | 2026 May 19 10:34:49 | 0.0131 | 0.00013 | 19.4007 | 133.6826 | 270.3882 | 1.00271 | 6.243 |