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: 3/8/2023
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 03/09/2023 21:01:19 -70.46, 40.39 105.17 03/09/2023 21:01:54 -70.44, 40.41 105.19 1.85 35
2 03/09/2023 21:52:02 70.29,-152.05 74.65 03/09/2023 21:51:17 70.31,-152.12 74.67 3.27 45
3 03/12/2023 09:55:11 -70.40,-153.01 106.23 03/12/2023 09:55:39 -70.42,-153.08 106.21 3.26 28
4 03/12/2023 10:45:56 70.35, 14.38 73.71 03/12/2023 10:45:01 70.34, 14.46 73.70 3.11 55
5 03/14/2023 21:58:38 71.30,-155.30 73.74 03/14/2023 21:59:45 71.19,-153.03 73.53 82.02 67
6 03/14/2023 22:49:05 -70.42, 13.48 107.21 03/14/2023 22:49:23 -70.45, 13.50 107.19 3.19 18
7 03/14/2023 23:39:49 70.32,-179.04 72.67 03/14/2023 23:38:46 70.31,-179.04 72.67 0.83 63
8 03/17/2023 10:52:25 70.97, 11.79 72.38 03/17/2023 10:53:35 70.82, 12.95 72.17 45.61 70
9 03/17/2023 11:42:58 -70.40,-179.97 108.24 03/17/2023 11:43:07 -70.41, 179.99 108.23 1.96 9
10 03/17/2023 12:33:42 70.30, -12.50 71.64 03/17/2023 12:32:29 70.33, -12.47 71.68 3.01 73
11 03/19/2023 23:46:11 70.61, 178.92 70.98 03/19/2023 23:47:22 70.56, 179.11 70.91 8.98 71
12 03/20/2023 00:36:51 -70.40, -13.44 109.25 03/20/2023 00:36:49 -70.43, -13.44 109.23 2.79 2
13 03/20/2023 01:27:28 69.93, 154.59 70.24 03/20/2023 01:26:17 70.00, 153.63 70.36 37.71 71

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 3/8/2023
SNOs_Map_NOAA-21_TERRA_20230308.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 03/08/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA