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: 3/8/2025
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 03/08/2025 19:32:08 73.39,-122.97 78.25 03/08/2025 19:33:18 73.36,-123.01 78.21 3.09 70
2 03/08/2025 20:22:50 -73.31, 44.51 101.85 03/08/2025 20:22:39 -73.32, 44.58 101.84 2.52 11
3 03/11/2025 06:44:30 73.34, 69.03 77.23 03/11/2025 06:44:51 73.33, 69.00 77.22 1.32 21
4 03/11/2025 07:35:12 -73.27,-123.49 102.87 03/11/2025 07:34:13 -73.24,-123.51 102.88 3.04 59
5 03/13/2025 17:06:07 -73.37, 93.56 103.70 03/13/2025 17:07:03 -73.38, 93.50 103.71 1.91 56
6 03/13/2025 17:56:52 73.31, -98.99 76.22 03/13/2025 17:56:23 73.33, -98.93 76.24 2.84 29
7 03/16/2025 03:27:58 73.97, 116.74 76.01 03/16/2025 03:29:05 73.86, 118.91 75.75 68.16 67
8 03/16/2025 04:18:29 -73.35, -74.47 104.72 03/16/2025 04:18:35 -73.35, -74.49 104.72 0.63 6
9 03/16/2025 05:09:10 73.09, 93.41 74.98 03/16/2025 05:07:58 73.14, 92.76 75.09 21.90 72
10 03/18/2025 14:40:09 73.41, -50.03 74.39 03/18/2025 14:40:45 73.38, -50.02 74.34 3.87 36
11 03/18/2025 15:30:51 -73.33, 117.48 105.72 03/18/2025 15:30:06 -73.33, 117.56 105.71 2.54 45
12 03/21/2025 01:01:46 -73.46, -25.53 106.54 03/21/2025 01:02:55 -73.44, -25.49 106.58 2.43 69
13 03/21/2025 01:52:30 73.35, 142.02 73.34 03/21/2025 01:52:16 73.33, 141.97 73.32 2.74 14

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 3/8/2025
SNOs_Map_NOAA-20_TERRA_20250308.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 03/08/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA