Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 3/23/2025
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 03/23/2025 11:23:38 74.23, -2.79 73.37 03/23/2025 11:24:43 74.11, 0.37 73.05 96.84 65
2 03/23/2025 12:14:05 -73.41, 166.48 107.57 03/23/2025 12:14:16 -73.41, 166.56 107.58 2.43 11
3 03/23/2025 13:04:49 73.30, -25.95 72.29 03/23/2025 13:03:37 73.32, -25.95 72.33 2.70 72
4 03/25/2025 22:35:43 73.43,-168.96 71.49 03/25/2025 22:36:21 73.42,-168.99 71.47 1.21 38
5 03/25/2025 23:26:25 -73.35, -1.46 108.62 03/25/2025 23:25:42 -73.36, -1.45 108.60 0.99 43
6 03/28/2025 08:57:19 -73.49,-144.50 109.41 03/28/2025 08:58:24 -73.49,-144.41 109.43 2.66 65
7 03/28/2025 09:48:03 73.39, 23.05 70.46 03/28/2025 09:47:45 73.39, 23.06 70.47 0.62 18
8 03/30/2025 19:19:09 74.14,-121.46 70.37 03/30/2025 19:20:15 74.07,-118.73 70.13 83.44 66
9 03/30/2025 20:09:38 -73.41, 47.60 110.47 03/30/2025 20:09:47 -73.43, 47.59 110.45 2.54 9
10 03/30/2025 21:00:21 73.26,-144.75 69.36 03/30/2025 20:59:09 73.28,-145.06 69.41 10.12 72
11 04/02/2025 06:31:15 73.44, 72.15 68.62 04/02/2025 06:31:47 73.46, 72.09 68.64 3.08 32
12 04/02/2025 07:21:58 -73.40,-120.45 111.44 04/02/2025 07:21:08 -73.40,-120.35 111.43 3.07 50
13 04/04/2025 16:52:50 -73.48, 96.65 112.27 04/04/2025 16:53:46 -73.51, 96.65 112.26 2.98 56
14 04/04/2025 17:43:33 73.39, -95.83 67.62 04/04/2025 17:43:06 73.40, -95.91 67.63 2.40 27

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 3/23/2025
SNOs_Map_NOAA-20_TERRA_20250323.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 03/23/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA