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: 9/16/2025
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 09/17/2025 03:10:14 -74.29, -59.38 107.72 09/17/2025 03:11:13 -74.29, -59.44 107.73 1.88 59
2 09/17/2025 04:00:58 74.21, 108.12 72.22 09/17/2025 04:00:31 74.24, 108.14 72.25 3.48 27
3 09/19/2025 13:31:54 74.32, -34.87 73.25 09/19/2025 13:32:43 74.32, -34.79 73.24 2.58 49
4 09/19/2025 14:22:37 -74.25, 132.62 106.82 09/19/2025 14:22:06 -74.22, 132.64 106.85 3.54 31
5 09/21/2025 23:53:32 -74.31, -10.25 105.83 09/21/2025 23:54:18 -74.28, -10.32 105.87 3.31 46
6 09/22/2025 00:44:16 74.24, 157.24 74.11 09/22/2025 00:43:36 74.24, 157.25 74.11 0.62 40
7 09/24/2025 10:15:10 74.30, 14.35 75.10 09/24/2025 10:15:47 74.28, 14.26 75.08 3.57 37
8 09/24/2025 11:05:53 -74.23,-178.15 104.97 09/24/2025 11:05:09 -74.24,-178.19 104.96 1.35 44
9 09/26/2025 20:36:48 -74.30, 38.96 103.97 09/26/2025 20:37:20 -74.32, 38.90 103.96 3.09 32
10 09/26/2025 21:27:32 74.23,-153.56 75.97 09/26/2025 21:26:39 74.22,-153.65 75.97 3.29 53
11 09/29/2025 06:58:27 74.31, 63.54 76.98 09/29/2025 06:58:49 74.34, 63.52 77.00 3.71 22

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 9/16/2025
SNOs_Map_NOAA-20_TERRA_20250917.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 09/16/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA