Orbital elements of UMBRA-11
| Launched | 27 November 2025 |
| Flight ended | – |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 66748 |
| 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 14 17:57 | 2026 Apr 14 03:55:00 | 97.4231 | 0.00031 | 11.9546 | 171.0158 | 189.1136 | 15.24065 | – |
| 2026 Apr 13 17:57 | 2026 Apr 13 04:16:49 | 97.4229 | 0.00031 | 11.8896 | 173.0256 | 189.1136 | 15.24065 | – |
| 2026 Apr 12 17:57 | 2026 Apr 12 10:56:48 | 97.4226 | 0.00030 | 11.8419 | 173.7658 | 189.1136 | 15.24065 | – |
| 2026 Apr 11 17:57 | 2026 Apr 11 11:18:35 | 97.4225 | 0.00030 | 11.7769 | 176.5131 | 189.1136 | 15.24065 | – |
| 2026 Apr 10 17:58 | 2026 Apr 10 03:47:34 | 97.4221 | 0.00028 | 11.6902 | 180.3287 | 189.1136 | 15.24065 | – |
| 2026 Apr 09 18:01 | 2026 Apr 08 18:41:56 | 97.4224 | 0.00027 | 11.5992 | 183.1693 | 189.1136 | 15.24065 | – |
| 2026 Apr 08 17:57 | 2026 Apr 08 04:30:56 | 97.4224 | 0.00026 | 11.5602 | 184.0077 | 189.1136 | 15.24065 | – |
| 2026 Apr 07 17:57 | 2026 Apr 07 04:52:33 | 97.4226 | 0.00025 | 11.4952 | 185.6534 | 189.1136 | 15.24065 | – |
| 2026 Apr 06 17:57 | 2026 Apr 06 05:14:08 | 97.4227 | 0.00025 | 11.4302 | 190.1534 | 189.1136 | 15.24065 | – |
| 2026 Apr 05 17:56 | 2026 Apr 05 04:01:06 | 97.4229 | 0.00024 | 11.3609 | 194.9384 | 189.1136 | 15.24065 | – |
| 2026 Apr 04 17:57 | 2026 Apr 04 04:22:34 | 97.4233 | 0.00023 | 11.2959 | 195.5302 | 189.1136 | 15.24065 | – |
| 2026 Apr 03 17:56 | 2026 Apr 03 04:43:59 | 97.4237 | 0.00022 | 11.2309 | 195.3192 | 189.1136 | 15.24065 | – |
| 2026 Apr 02 18:03 | 2026 Apr 02 05:05:18 | 97.4243 | 0.00021 | 11.1659 | 198.9938 | 189.1136 | 15.24065 | – |
| 2026 Mar 31 17:57 | 2026 Mar 31 04:13:10 | 97.4245 | 0.00020 | 11.0316 | 207.6283 | 189.1136 | 15.24065 | – |
| 2026 Mar 30 17:58 | 2026 Mar 30 10:52:41 | 97.4248 | 0.00019 | 10.9840 | 206.4336 | 189.1136 | 15.24065 | – |
| 2026 Mar 29 17:57 | 2026 Mar 29 04:55:25 | 97.4250 | 0.00018 | 10.9017 | 210.3555 | 189.1136 | 15.24065 | – |
| 2026 Mar 28 18:57 | 2026 Mar 28 11:34:51 | 97.4250 | 0.00018 | 10.8540 | 214.7346 | 189.1136 | 15.24065 | – |
| 2026 Mar 27 18:57 | 2026 Mar 27 04:02:50 | 97.4244 | 0.00016 | 10.7674 | 219.1429 | 189.1136 | 15.24065 | – |
| 2026 Mar 26 18:57 | 2026 Mar 26 10:42:11 | 97.4243 | 0.00016 | 10.7197 | 218.3707 | 189.1136 | 15.24065 | – |
| 2026 Mar 25 18:56 | 2026 Mar 25 11:03:05 | 97.4247 | 0.00015 | 10.6547 | 221.6613 | 189.1136 | 15.24065 | – |
| 2026 Mar 24 18:56 | 2026 Mar 24 11:23:57 | 97.4247 | 0.00014 | 10.5898 | 227.2676 | 189.1136 | 15.24065 | – |
| 2026 Mar 23 18:56 | 2026 Mar 23 11:44:46 | 97.4247 | 0.00013 | 10.5248 | 233.9639 | 189.1136 | 15.24065 | – |
| 2026 Mar 22 18:56 | 2026 Mar 22 02:37:50 | 97.4248 | 0.00012 | 10.4338 | 240.8772 | 189.1136 | 15.24065 | – |
| 2026 Mar 21 19:05 | 2026 Mar 21 10:51:38 | 97.4252 | 0.00011 | 10.3905 | 242.7984 | 189.1136 | 15.24065 | – |
| 2026 Mar 20 18:57 | 2026 Mar 20 11:12:17 | 97.4259 | 0.00010 | 10.3255 | 248.8959 | 189.1136 | 15.24065 | – |
| 2026 Mar 19 18:56 | 2026 Mar 19 03:39:46 | 97.4264 | 0.00010 | 10.2389 | 260.5587 | 189.1136 | 15.24065 | – |