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: 9/15/2025
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 -74.30, -59.42 107.70 09/17/2025 03:11:12 -74.32, -59.36 107.70 3.07 58
2 09/17/2025 04:00:58 74.23, 108.08 72.23 09/17/2025 04:00:31 74.23, 108.10 72.24 0.70 27
3 09/19/2025 13:31:53 74.29, -34.79 73.21 09/19/2025 13:32:43 74.31, -34.82 73.23 2.77 50
4 09/19/2025 14:22:36 -74.22, 132.70 106.86 09/19/2025 14:22:06 -74.21, 132.61 106.86 3.10 30
5 09/21/2025 23:53:32 -74.32, -10.29 105.82 09/21/2025 23:54:17 -74.32, -10.22 105.83 1.96 45
6 09/22/2025 00:44:15 74.21, 157.32 74.07 09/22/2025 00:43:36 74.22, 157.22 74.10 3.48 39
7 09/24/2025 10:15:11 74.32, 14.31 75.12 09/24/2025 10:15:47 74.33, 14.35 75.11 1.45 36
8 09/24/2025 11:05:54 -74.25,-178.19 104.95 09/24/2025 11:05:10 -74.23,-178.21 104.97 2.43 44
9 09/26/2025 20:36:49 -74.31, 38.92 103.96 09/26/2025 20:37:21 -74.31, 38.88 103.96 1.16 32
10 09/26/2025 21:27:33 74.25,-153.60 75.99 09/26/2025 21:26:39 74.26,-153.55 76.01 2.06 54
11 09/29/2025 06:58:27 74.32, 63.49 76.99 09/29/2025 06:58:49 74.34, 63.51 77.00 1.54 22

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 9/15/2025
SNOs_Map_NOAA-20_TERRA_20250916.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 09/15/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA