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: 9/13/2025
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 09/14/2025 16:48:35 74.27, -83.92 71.34 09/14/2025 16:49:38 74.28, -84.01 71.34 3.00 63
2 09/14/2025 17:39:18 -74.20, 83.56 108.73 09/14/2025 17:39:00 -74.23, 83.53 108.70 2.85 18
3 09/17/2025 03:10:14 -74.30, -59.41 107.71 09/17/2025 03:11:13 -74.28, -59.46 107.74 2.72 59
4 09/17/2025 04:00:58 74.23, 108.08 72.23 09/17/2025 04:00:31 74.23, 108.11 72.24 1.13 27
5 09/19/2025 13:31:54 74.33, -34.91 73.27 09/19/2025 13:32:43 74.32, -34.79 73.24 3.91 49
6 09/19/2025 14:22:36 -74.21, 132.71 106.86 09/19/2025 14:22:06 -74.22, 132.65 106.84 2.12 30
7 09/21/2025 23:53:32 -74.32, -10.28 105.82 09/21/2025 23:54:18 -74.30, -10.28 105.85 2.36 46
8 09/22/2025 00:44:16 74.26, 157.20 74.13 09/22/2025 00:43:36 74.25, 157.28 74.12 2.53 40
9 09/24/2025 10:15:11 74.32, 14.32 75.12 09/24/2025 10:15:48 74.31, 14.32 75.10 0.69 37
10 09/24/2025 11:05:54 -74.24,-178.18 104.96 09/24/2025 11:05:10 -74.27,-178.12 104.93 3.13 44
11 09/26/2025 20:36:49 -74.31, 38.94 103.96 09/26/2025 20:37:22 -74.32, 38.89 103.96 1.71 33
12 09/26/2025 21:27:33 74.25,-153.59 75.99 09/26/2025 21:26:40 74.27,-153.55 76.01 2.66 53

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 9/13/2025
SNOs_Map_NOAA-20_TERRA_20250914.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 09/13/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA