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 |
| 2025 Jul 20 17:56 | 2025 Jul 20 11:29:05 | 0.0146 | 0.00021 | 4.4205 | 102.9040 | 243.5564 | 1.00271 | 6.243 |
| 2025 Jul 19 17:57 | 2025 Jul 19 11:21:21 | 0.0165 | 0.00020 | 3.9891 | 107.2966 | 243.5564 | 1.00271 | 6.243 |
| 2025 Jul 18 17:57 | 2025 Jul 18 09:39:34 | 0.0184 | 0.00020 | 3.7010 | 108.0941 | 243.5564 | 1.00271 | 6.243 |
| 2025 Jul 17 17:56 | 2025 Jul 16 21:40:59 | 0.0191 | 0.00020 | 3.8614 | 112.1727 | 243.5564 | 1.00271 | 6.243 |
| 2025 Jul 16 17:56 | 2025 Jul 16 10:39:55 | 0.0229 | 0.00020 | 3.6085 | 116.4249 | 243.5564 | 1.00271 | 6.243 |
| 2025 Jul 15 17:56 | 2025 Jul 15 11:24:41 | 0.0206 | 0.00020 | 3.4738 | 115.5068 | 243.5564 | 1.00271 | 6.243 |
| 2025 Jul 14 17:56 | 2025 Jul 14 11:25:56 | 0.0190 | 0.00020 | 3.2692 | 114.8836 | 243.5564 | 1.00271 | 6.243 |
| 2025 Jul 13 17:56 | 2025 Jul 13 11:08:24 | 0.0182 | 0.00020 | 2.9330 | 115.9091 | 243.5564 | 1.00271 | 6.243 |
| 2025 Jul 12 17:56 | 2025 Jul 12 11:04:51 | 0.0180 | 0.00020 | 2.4534 | 119.2351 | 243.5564 | 1.00271 | 6.243 |
| 2025 Jul 11 17:56 | 2025 Jul 11 05:57:59 | 0.0158 | 0.00018 | 22.5174 | 170.6847 | 243.5564 | 1.00271 | 6.243 |
| 2025 Jul 10 17:56 | 2025 Jul 10 11:29:31 | 0.0153 | 0.00018 | 21.5026 | 183.6538 | 243.5564 | 1.00271 | 6.243 |
| 2025 Jul 09 17:56 | 2025 Jul 08 16:39:33 | 0.0228 | 0.00017 | 19.7935 | 210.2957 | 243.5564 | 1.00271 | 6.243 |
| 2025 Jul 08 17:56 | 2025 Jul 07 21:48:55 | 0.0253 | 0.00017 | 19.4260 | 214.4773 | 243.5564 | 1.00271 | 6.243 |
| 2025 Jul 07 17:56 | 2025 Jul 06 21:49:53 | 0.0287 | 0.00016 | 18.9949 | 219.4006 | 243.5564 | 1.00271 | 6.243 |
| 2025 Jul 06 17:56 | 2025 Jul 06 11:33:04 | 0.0304 | 0.00016 | 18.7996 | 222.0283 | 243.5564 | 1.00271 | 6.243 |
| 2025 Jul 05 17:56 | 2025 Jul 05 06:13:04 | 0.0336 | 0.00015 | 18.4708 | 225.5991 | 243.5564 | 1.00271 | 6.243 |
| 2025 Jul 04 17:56 | 2025 Jul 04 03:50:39 | 0.0365 | 0.00014 | 18.2146 | 228.5805 | 243.5564 | 1.00271 | 6.243 |
| 2025 Jul 03 17:56 | 2025 Jul 02 21:52:59 | 0.0392 | 0.00014 | 18.0326 | 229.9785 | 243.5564 | 1.00271 | 6.243 |
| 2025 Jul 02 17:56 | 2025 Jul 01 18:28:36 | 0.0419 | 0.00011 | 17.9371 | 254.6673 | 243.5564 | 1.00271 | 6.243 |
| 2025 Jul 01 17:56 | 2025 Jul 01 11:37:24 | 0.0426 | 0.00011 | 17.9232 | 255.0333 | 243.5564 | 1.00271 | 6.243 |
| 2025 Jun 30 17:56 | 2025 Jun 30 11:04:10 | 0.0450 | 0.00010 | 17.9071 | 257.7869 | 243.5564 | 1.00271 | 6.243 |
| 2025 Jun 29 17:56 | 2025 Jun 29 11:39:11 | 0.0194 | 0.00019 | 4.4296 | 44.2832 | 243.5564 | 1.00271 | 6.243 |
| 2025 Jun 28 17:56 | 2025 Jun 28 10:51:28 | 0.0154 | 0.00018 | 4.0968 | 48.1046 | 243.5564 | 1.00271 | 6.243 |
| 2025 Jun 27 17:56 | 2025 Jun 27 03:21:37 | 0.0141 | 0.00018 | 2.9767 | 63.0043 | 243.5564 | 1.00271 | 6.243 |
| 2025 Jun 26 17:56 | 2025 Jun 25 23:42:18 | 0.0175 | 0.00017 | 1.5754 | 88.0435 | 243.5564 | 1.00271 | 6.243 |
| 2025 Jun 25 17:56 | 2025 Jun 24 20:17:35 | 0.0179 | 0.00017 | 0.9385 | 96.2354 | 243.5564 | 1.00271 | 6.243 |
| 2025 Jun 24 17:56 | 2025 Jun 23 20:18:26 | 0.0042 | 0.00017 | 5.4956 | 28.0665 | 243.5564 | 1.00271 | 6.243 |
| 2025 Jun 23 17:56 | 2025 Jun 22 11:45:35 | 0.0272 | 0.00017 | 0.7647 | 97.1444 | 243.5564 | 1.00271 | 6.243 |