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 Apr 16 17:57 | 2026 Apr 16 04:39:38 | 0.0439 | 0.00019 | 4.4483 | 332.8332 | 176.6982 | 1.00270 | 6.243 |
| 2026 Apr 14 17:57 | 2026 Apr 14 08:19:38 | 0.0416 | 0.00019 | 3.8442 | 340.5982 | 176.6982 | 1.00270 | 6.243 |
| 2026 Apr 13 17:57 | 2026 Apr 13 04:36:38 | 0.0354 | 0.00019 | 4.9192 | 323.5118 | 176.6982 | 1.00270 | 6.243 |
| 2026 Apr 12 17:57 | 2026 Apr 12 12:10:44 | 0.0253 | 0.00020 | 6.7628 | 295.6256 | 176.6982 | 1.00270 | 6.243 |
| 2026 Apr 11 17:57 | 2026 Apr 11 12:13:11 | 0.0176 | 0.00020 | 7.9682 | 276.5979 | 176.6982 | 1.00270 | 6.243 |
| 2026 Apr 10 17:58 | 2026 Apr 10 06:03:33 | 0.0140 | 0.00020 | 10.3588 | 238.6284 | 176.6982 | 1.00270 | 6.243 |
| 2026 Apr 09 18:01 | 2026 Apr 09 04:50:48 | 0.0148 | 0.00020 | 11.5033 | 225.2385 | 176.6982 | 1.00270 | 6.243 |
| 2026 Apr 08 17:57 | 2026 Apr 08 05:56:11 | 0.0152 | 0.00020 | 12.5735 | 207.3223 | 176.6982 | 1.00270 | 6.243 |
| 2026 Apr 07 17:57 | 2026 Apr 07 00:24:31 | 0.0157 | 0.00020 | 12.5613 | 209.3682 | 176.6982 | 1.00270 | 6.243 |
| 2026 Apr 06 17:57 | 2026 Apr 06 02:09:37 | 0.0156 | 0.00020 | 13.4637 | 194.1887 | 176.6982 | 1.00270 | 6.243 |
| 2026 Apr 05 17:56 | 2026 Apr 05 02:12:09 | 0.0182 | 0.00020 | 13.9159 | 184.6489 | 176.6982 | 1.00270 | 6.243 |
| 2026 Apr 04 17:57 | 2026 Apr 04 05:39:57 | 0.0203 | 0.00019 | 14.1733 | 178.1812 | 176.6982 | 1.00270 | 6.243 |
| 2026 Apr 03 17:56 | 2026 Apr 03 10:50:28 | 0.0224 | 0.00020 | 14.3964 | 177.8437 | 176.6982 | 1.00270 | 6.243 |
| 2026 Apr 02 18:03 | 2026 Apr 02 05:44:49 | 0.0183 | 0.00018 | 15.1797 | 154.5185 | 176.6982 | 1.00270 | 6.243 |
| 2026 Mar 31 17:57 | 2026 Mar 31 05:49:48 | 0.0138 | 0.00017 | 15.9806 | 134.2479 | 176.6982 | 1.00270 | 6.243 |
| 2026 Mar 30 17:58 | 2026 Mar 30 09:17:29 | 0.0163 | 0.00017 | 16.2377 | 126.7165 | 176.6982 | 1.00270 | 6.243 |
| 2026 Mar 29 17:57 | 2026 Mar 29 02:29:20 | 0.0212 | 0.00017 | 16.6102 | 115.7382 | 176.6982 | 1.00270 | 6.243 |
| 2026 Mar 28 18:57 | 2026 Mar 28 11:05:12 | 0.0230 | 0.00017 | 16.7491 | 109.2344 | 176.6982 | 1.00270 | 6.243 |
| 2026 Mar 27 18:57 | 2026 Mar 27 05:59:40 | 0.0270 | 0.00017 | 17.0372 | 100.6308 | 176.6982 | 1.00270 | 6.243 |
| 2026 Mar 26 18:57 | 2026 Mar 26 11:10:11 | 0.0294 | 0.00016 | 17.1459 | 98.3437 | 176.6982 | 1.00270 | 6.243 |
| 2026 Mar 25 18:56 | 2026 Mar 25 12:55:19 | 0.0325 | 0.00018 | 17.2858 | 82.6927 | 176.6982 | 1.00270 | 6.243 |
| 2026 Mar 24 18:56 | 2026 Mar 24 10:31:44 | 0.0357 | 0.00018 | 17.3853 | 78.5713 | 176.6982 | 1.00270 | 6.243 |
| 2026 Mar 23 18:56 | 2026 Mar 23 07:17:38 | 0.0283 | 0.00019 | 6.6003 | 268.2607 | 176.6982 | 1.00270 | 6.243 |
| 2026 Mar 22 18:56 | 2026 Mar 22 04:53:59 | 0.0244 | 0.00019 | 6.9120 | 262.6217 | 176.6982 | 1.00270 | 6.243 |
| 2026 Mar 21 19:05 | 2026 Mar 21 13:05:04 | 0.0216 | 0.00019 | 7.1345 | 258.8070 | 176.6982 | 1.00270 | 6.243 |
| 2026 Mar 20 18:57 | 2026 Mar 20 11:24:56 | 0.0173 | 0.00019 | 7.6485 | 251.1744 | 176.6982 | 1.00270 | 6.243 |