Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/21/2023
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 04/21/2023 21:44:49 70.57,-150.77 58.52 04/21/2023 21:45:43 70.56,-150.82 58.50 2.49 54
2 04/21/2023 22:35:31 -70.49, 16.68 121.58 04/21/2023 22:35:08 -70.46, 16.69 121.61 3.04 23
3 04/24/2023 10:38:39 70.56, 15.78 57.66 04/24/2023 10:39:15 70.58, 15.80 57.67 2.08 36
4 04/24/2023 11:29:21 -70.48,-176.77 122.44 04/24/2023 11:28:40 -70.49,-176.69 122.43 3.09 41
5 04/26/2023 23:32:29 70.57,-177.69 56.84 04/26/2023 23:32:47 70.57,-177.63 56.83 2.06 18
6 04/27/2023 00:23:10 -70.43, -10.15 123.32 04/27/2023 00:22:13 -70.42, -10.20 123.33 2.13 57
7 04/29/2023 11:35:40 -70.94,-179.08 123.56 04/29/2023 11:36:51 -70.88,-178.23 123.66 31.59 71
8 04/29/2023 12:26:18 70.53, -11.08 55.99 04/29/2023 12:26:19 70.51, -11.11 55.98 1.73 1
9 04/29/2023 13:16:58 -70.33, 156.54 124.23 04/29/2023 13:15:45 -70.36, 156.32 124.18 9.12 73
10 05/02/2023 00:29:23 -70.65, -12.05 124.65 05/02/2023 00:30:25 -70.62, -12.01 124.68 3.17 62
11 05/02/2023 01:20:06 70.49, 155.51 55.18 05/02/2023 01:19:49 70.48, 155.43 55.17 3.39 17
12 05/02/2023 02:10:34 -69.66, -35.91 125.69 05/02/2023 02:09:26 -69.72, -37.97 125.57 79.98 68
13 05/04/2023 13:23:12 -70.63, 154.53 125.42 05/04/2023 13:23:55 -70.61, 154.56 125.45 2.48 43
14 05/04/2023 14:13:55 70.47, -37.92 54.41 05/04/2023 14:13:19 70.46, -38.00 54.40 3.37 36

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 4/21/2023
SNOs_Map_NOAA-21_TERRA_20230422.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 04/21/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA