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 Feb 04 18:57 | 2026 Feb 04 08:32:31 | 0.0466 | 0.00017 | 17.6793 | 51.6513 | 247.7814 | 1.00271 | 6.243 |
| 2026 Feb 03 18:56 | 2026 Feb 03 09:42:59 | 0.0088 | 0.00018 | 15.4938 | 85.0593 | 247.7814 | 1.00271 | 6.243 |
| 2026 Feb 02 18:56 | 2026 Feb 02 08:57:41 | 0.0143 | 0.00019 | 17.7652 | 40.7741 | 247.7814 | 1.00271 | 6.243 |
| 2026 Feb 01 18:56 | 2026 Feb 01 09:47:14 | 0.0101 | 0.00019 | 17.0118 | 53.9359 | 247.7814 | 1.00271 | 6.243 |
| 2026 Jan 31 18:56 | 2026 Jan 31 11:32:02 | 0.0117 | 0.00019 | 17.7334 | 39.7471 | 247.7814 | 1.00271 | 6.243 |
| 2026 Jan 30 18:57 | 2026 Jan 30 10:08:55 | 0.0626 | 0.00020 | 17.3452 | 36.8191 | 247.7814 | 1.00271 | 6.243 |
| 2026 Jan 29 18:56 | 2026 Jan 29 09:53:36 | 0.0629 | 0.00020 | 17.3232 | 37.9767 | 247.7814 | 1.00271 | 6.243 |
| 2026 Jan 28 18:56 | 2026 Jan 27 11:40:27 | 0.0598 | 0.00023 | 17.2829 | 27.9681 | 247.7814 | 1.00271 | 6.243 |
| 2026 Jan 27 18:56 | 2026 Jan 27 09:57:44 | 0.0600 | 0.00023 | 17.2709 | 28.0323 | 247.7814 | 1.00271 | 6.243 |
| 2026 Jan 26 18:57 | 2026 Jan 26 08:43:38 | 0.0157 | 0.00019 | 5.0581 | 230.4202 | 247.7814 | 1.00271 | 6.243 |
| 2026 Jan 25 18:57 | 2026 Jan 25 12:02:38 | 0.0179 | 0.00019 | 4.7508 | 234.3521 | 247.7814 | 1.00271 | 6.243 |
| 2026 Jan 24 18:58 | 2026 Jan 24 11:30:38 | 0.0202 | 0.00019 | 4.6195 | 235.1118 | 247.7814 | 1.00271 | 6.243 |
| 2026 Jan 22 18:56 | 2026 Jan 22 10:08:19 | 0.0229 | 0.00018 | 4.8944 | 229.4645 | 247.7814 | 1.00271 | 6.243 |
| 2026 Jan 21 18:56 | 2026 Jan 21 10:10:22 | 0.0215 | 0.00017 | 4.8060 | 237.4347 | 247.7814 | 1.00271 | 6.243 |
| 2026 Jan 20 19:06 | 2026 Jan 20 06:07:20 | 0.0198 | 0.00016 | 4.4569 | 242.1105 | 247.7814 | 1.00271 | 6.243 |
| 2026 Jan 19 18:57 | 2026 Jan 19 06:49:12 | 0.0189 | 0.00016 | 4.0060 | 248.4347 | 247.7814 | 1.00271 | 6.243 |
| 2026 Jan 18 18:57 | 2026 Jan 17 22:17:48 | 0.0144 | 0.00015 | 23.8665 | 305.9478 | 247.7814 | 1.00271 | 6.243 |
| 2026 Jan 17 18:56 | 2026 Jan 17 10:18:49 | 0.0146 | 0.00015 | 23.2507 | 311.5328 | 247.7814 | 1.00271 | 6.243 |
| 2026 Jan 16 18:57 | 2026 Jan 16 12:03:38 | 0.0145 | 0.00015 | 22.5265 | 321.9517 | 247.7814 | 1.00271 | 6.243 |
| 2026 Jan 15 18:56 | 2026 Jan 15 12:05:50 | 0.0190 | 0.00015 | 20.2710 | 355.2238 | 247.7814 | 1.00271 | 6.243 |
| 2026 Jan 13 18:56 | 2026 Jan 13 12:10:04 | 0.0299 | 0.00016 | 18.6065 | 10.6275 | 247.7814 | 1.00271 | 6.243 |
| 2026 Jan 11 18:57 | 2026 Jan 11 12:14:03 | 0.0370 | 0.00017 | 17.6423 | 19.6592 | 247.7814 | 1.00271 | 6.243 |
| 2026 Jan 10 18:57 | 2026 Jan 09 05:27:07 | 0.0422 | 0.00018 | 17.2282 | 20.0220 | 247.7814 | 1.00271 | 6.243 |
| 2026 Jan 09 18:57 | 2026 Jan 09 01:09:03 | 0.0428 | 0.00021 | 17.2224 | 14.8384 | 247.7814 | 1.00271 | 6.243 |
| 2026 Jan 08 18:56 | 2026 Jan 08 12:19:46 | 0.0440 | 0.00022 | 17.2269 | 13.6150 | 247.7814 | 1.00271 | 6.243 |