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: 10/23/2025
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 10/25/2025 23:15:30 -74.44, -1.02 93.06 10/25/2025 23:15:51 -74.46, -1.07 93.04 2.63 21
2 10/26/2025 00:06:15 74.38, 166.43 86.90 10/26/2025 00:05:11 74.37, 166.41 86.90 1.46 64
3 10/28/2025 08:46:39 -74.79,-144.72 91.87 10/28/2025 08:47:50 -74.69,-143.58 92.02 35.10 71
4 10/28/2025 09:37:18 74.45, 23.52 87.77 10/28/2025 09:37:13 74.45, 23.52 87.78 0.77 5
5 10/28/2025 10:27:50 -73.86,-167.69 92.85 10/28/2025 10:26:42 -73.96,-169.92 92.67 69.39 68
6 10/30/2025 19:08:21 74.51,-119.42 88.63 10/30/2025 19:09:15 74.50,-119.42 88.61 1.19 54
7 10/30/2025 19:59:03 -74.42, 48.15 91.46 10/30/2025 19:58:36 -74.42, 48.06 91.45 2.65 27
8 11/02/2025 05:30:06 -74.49, -94.80 90.62 11/02/2025 05:30:37 -74.50, -94.82 90.62 0.96 31
9 11/02/2025 06:20:51 74.44, 72.65 89.34 11/02/2025 06:19:57 74.41, 72.65 89.32 3.10 54
10 11/04/2025 15:01:21 -75.20, 120.49 89.10 11/04/2025 15:02:26 -75.11, 123.61 89.31 89.54 65
11 11/04/2025 15:51:52 74.47, -70.18 90.12 11/04/2025 15:51:57 74.46, -70.30 90.11 3.92 5

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 10/23/2025
SNOs_Map_NOAA-20_TERRA_20251024.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 10/23/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA