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 70.56,-150.75 58.51 04/21/2023 21:45:43 70.57,-150.81 58.51 2.32 54
2 04/21/2023 22:35:31 -70.48, 16.70 121.59 04/21/2023 22:35:08 -70.48, 16.71 121.59 0.38 23
3 04/24/2023 10:38:39 70.55, 15.80 57.65 04/24/2023 10:39:16 70.54, 15.73 57.63 2.86 37
4 04/24/2023 11:29:21 -70.47,-176.75 122.46 04/24/2023 11:28:41 -70.44,-176.75 122.48 2.56 40
5 04/26/2023 23:32:29 70.56,-177.67 56.83 04/26/2023 23:32:47 70.57,-177.62 56.84 2.71 18
6 04/27/2023 00:23:09 -70.41, -10.13 123.34 04/27/2023 00:22:12 -70.43, -10.19 123.32 2.44 57
7 04/29/2023 11:35:39 -70.93,-179.06 123.57 04/29/2023 11:36:51 -70.82,-178.31 123.71 29.90 72
8 04/29/2023 12:26:17 70.52, -11.07 55.98 04/29/2023 12:26:18 70.51, -11.11 55.98 1.62 1
9 04/29/2023 13:16:57 -70.32, 156.56 124.24 04/29/2023 13:15:44 -70.37, 156.33 124.18 10.11 73
10 05/02/2023 00:29:23 -70.64, -12.04 124.66 05/02/2023 00:30:25 -70.62, -12.02 124.69 2.78 62
11 05/02/2023 01:20:07 70.54, 155.43 55.23 05/02/2023 01:19:48 70.53, 155.50 55.21 3.08 19
12 05/02/2023 02:10:34 -69.66, -35.90 125.70 05/02/2023 02:09:26 -69.72, -37.98 125.57 80.69 68
13 05/04/2023 13:23:12 -70.62, 154.53 125.43 05/04/2023 13:23:55 -70.59, 154.54 125.46 3.41 43
14 05/04/2023 14:13:55 70.47, -37.91 54.41 05/04/2023 14:13:18 70.50, -37.94 54.44 3.08 37

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 4/21/2023
SNOs_Map_NOAA-21_TERRA_20230421.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