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: 9/20/2025
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 09/21/2025 23:53:32 -74.31, -10.27 105.83 09/21/2025 23:54:17 -74.33, -10.22 105.83 2.04 45
2 09/22/2025 00:44:16 74.24, 157.23 74.11 09/22/2025 00:43:36 74.23, 157.24 74.11 1.14 40
3 09/24/2025 10:15:10 74.31, 14.34 75.10 09/24/2025 10:15:46 74.33, 14.35 75.11 2.10 36
4 09/24/2025 11:05:53 -74.24,-178.16 104.96 09/24/2025 11:05:09 -74.22,-178.23 104.97 2.74 44
5 09/26/2025 20:36:48 -74.31, 38.95 103.97 09/26/2025 20:37:20 -74.30, 38.84 103.98 3.21 32
6 09/26/2025 21:27:32 74.24,-153.57 75.98 09/26/2025 21:26:38 74.25,-153.58 76.00 1.48 54
7 09/29/2025 06:58:27 74.31, 63.52 76.98 09/29/2025 06:58:49 74.31, 63.45 76.97 2.30 22
8 09/29/2025 07:49:10 -74.24,-128.97 103.09 09/29/2025 07:48:11 -74.25,-129.01 103.07 2.04 59
9 10/01/2025 17:20:05 -74.31, 88.11 102.09 10/01/2025 17:20:21 -74.34, 88.09 102.06 3.35 16

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 9/20/2025
SNOs_Map_NOAA-20_TERRA_20250920.jpg

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

Historial Predications of SNOs between NOAA-20 and TERRA