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: 3/13/2025
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 03/13/2025 17:06:08 -73.42, 93.46 103.66 03/13/2025 17:07:02 -73.41, 93.56 103.68 3.17 54
2 03/13/2025 17:56:52 73.30, -98.96 76.20 03/13/2025 17:56:23 73.31, -98.97 76.22 1.81 29
3 03/16/2025 03:27:57 73.91, 116.88 75.94 03/16/2025 03:29:05 73.80, 118.78 75.69 60.12 68
4 03/16/2025 04:18:29 -73.34, -74.46 104.72 03/16/2025 04:18:34 -73.33, -74.52 104.73 2.28 5
5 03/16/2025 05:09:09 73.02, 93.54 74.91 03/16/2025 05:07:58 73.07, 92.63 75.03 29.90 71
6 03/18/2025 14:40:08 73.41, -50.02 74.38 03/18/2025 14:40:41 73.41, -49.95 74.37 2.18 33
7 03/18/2025 15:30:50 -73.33, 117.47 105.72 03/18/2025 15:30:03 -73.31, 117.51 105.74 2.76 47
8 03/21/2025 01:01:44 -73.42, -25.44 106.58 03/21/2025 01:02:50 -73.44, -25.48 106.58 2.75 66
9 03/21/2025 01:52:29 73.36, 142.00 73.34 03/21/2025 01:52:11 73.34, 141.99 73.33 2.27 18
10 03/23/2025 12:14:05 -73.37, 166.57 107.61 03/23/2025 12:14:19 -73.37, 166.48 107.62 3.04 14
11 03/23/2025 13:04:50 73.32, -25.99 72.32 03/23/2025 13:03:39 73.32, -25.95 72.33 1.37 71
12 03/25/2025 22:35:44 73.43,-168.96 71.49 03/25/2025 22:36:25 73.41,-169.02 71.46 2.71 41
13 03/25/2025 23:26:26 -73.34, -1.44 108.63 03/25/2025 23:25:46 -73.36, -1.45 108.60 2.44 40

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 3/13/2025
SNOs_Map_NOAA-20_TERRA_20250313.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 03/13/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA