Orbital elements of TDRS 12
| Launched | 23 January 2014 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 39504 |
| 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 Jul 28 17:57 | 2026 Jul 28 03:59:46 | 4.0177 | 0.00047 | 1.3151 | 197.3439 | 107.7977 | 1.00269 | – |
| 2026 Jul 27 17:57 | 2026 Jul 27 10:53:10 | 4.0171 | 0.00047 | 1.3145 | 197.4032 | 107.7977 | 1.00269 | – |
| 2026 Jul 26 17:56 | 2026 Jul 25 22:57:33 | 4.0157 | 0.00045 | 1.3133 | 197.5560 | 107.7977 | 1.00269 | – |
| 2026 Jul 25 17:57 | 2026 Jul 24 07:36:36 | 4.0142 | 0.00044 | 1.3120 | 198.2634 | 107.7977 | 1.00269 | – |
| 2026 Jul 24 17:56 | 2026 Jul 24 05:53:58 | 4.0141 | 0.00044 | 1.3119 | 198.3054 | 107.7977 | 1.00269 | – |
| 2026 Jul 23 17:57 | 2026 Jul 23 05:56:51 | 4.0132 | 0.00044 | 1.3111 | 198.8467 | 107.7977 | 1.00269 | – |
| 2026 Jul 22 17:57 | 2026 Jul 22 05:59:42 | 4.0122 | 0.00043 | 1.3102 | 199.4838 | 107.7977 | 1.00269 | – |
| 2026 Jul 21 17:57 | 2026 Jul 21 05:57:15 | 4.0113 | 0.00043 | 1.3093 | 200.1760 | 107.7977 | 1.00269 | – |
| 2026 Jul 20 17:57 | 2026 Jul 20 06:05:27 | 4.0103 | 0.00043 | 1.3084 | 200.8822 | 107.7977 | 1.00269 | – |
| 2026 Jul 19 19:06 | 2026 Jul 19 11:16:20 | 4.0096 | 0.00043 | 1.3076 | 201.4361 | 107.7977 | 1.00269 | – |
| 2026 Jul 19 17:57 | 2026 Jul 19 06:08:24 | 4.0093 | 0.00043 | 1.3074 | 201.5799 | 107.7977 | 1.00269 | – |
| 2026 Jul 18 17:57 | 2026 Jul 18 05:42:14 | 4.0083 | 0.00043 | 1.3063 | 202.2582 | 107.7977 | 1.00269 | – |
| 2026 Jul 17 17:57 | 2026 Jul 17 06:14:11 | 4.0073 | 0.00043 | 1.3052 | 202.8842 | 107.7977 | 1.00269 | – |
| 2026 Jul 16 17:56 | 2026 Jul 16 06:17:04 | 4.0063 | 0.00043 | 1.3040 | 203.4596 | 107.7977 | 1.00269 | – |
| 2026 Jul 15 17:57 | 2026 Jul 15 04:14:38 | 4.0051 | 0.00043 | 1.3027 | 203.9253 | 107.7977 | 1.00269 | – |
| 2026 Jul 14 17:56 | 2026 Jul 14 00:10:08 | 4.0037 | 0.00043 | 1.3012 | 204.2555 | 107.7977 | 1.00269 | – |
| 2026 Jul 13 17:56 | 2026 Jul 13 06:25:35 | 4.0029 | 0.00043 | 1.3003 | 204.3984 | 107.7977 | 1.00269 | – |
| 2026 Jul 12 17:56 | 2026 Jul 12 11:36:18 | 4.0020 | 0.00043 | 1.2993 | 204.4357 | 107.7977 | 1.00269 | – |
| 2026 Jul 11 17:56 | 2026 Jul 11 11:39:07 | 4.0009 | 0.00043 | 1.2980 | 204.2316 | 107.7977 | 1.00269 | – |
| 2026 Jul 09 17:56 | 2026 Jul 08 19:43:30 | 3.9978 | 0.00041 | 1.2948 | 203.3766 | 107.7977 | 1.00269 | – |
| 2026 Jul 08 17:56 | 2026 Jul 08 11:47:36 | 3.9974 | 0.00041 | 1.2944 | 203.1944 | 107.7977 | 1.00269 | – |
| 2026 Jul 07 17:56 | 2026 Jul 07 11:50:24 | 3.9963 | 0.00040 | 1.2933 | 202.8052 | 107.7977 | 1.00269 | – |
| 2026 Jul 06 17:57 | 2026 Jul 06 02:13:43 | 3.9949 | 0.00039 | 1.2919 | 202.5064 | 107.7977 | 1.00269 | – |
| 2026 Jul 05 17:56 | 2026 Jul 05 04:09:58 | 3.9940 | 0.00038 | 1.2910 | 202.1771 | 107.7977 | 1.00269 | – |
| 2026 Jul 04 17:56 | 2026 Jul 04 00:39:24 | 3.9929 | 0.00037 | 1.2900 | 202.0538 | 107.7977 | 1.00269 | – |
| 2026 Jul 03 17:57 | 2026 Jul 02 18:55:11 | 3.9918 | 0.00036 | 1.2889 | 202.0522 | 107.7977 | 1.00269 | – |
| 2026 Jul 02 17:56 | 2026 Jul 02 07:31:01 | 3.9913 | 0.00035 | 1.2885 | 201.9548 | 107.7977 | 1.00269 | – |
| 2026 Jul 01 17:56 | 2026 Jul 01 05:36:00 | 3.9903 | 0.00034 | 1.2876 | 202.2508 | 107.7977 | 1.00269 | – |