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: 3/16/2025
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 03/16/2025 03:27:57 73.91, 116.88 75.94 03/16/2025 03:29:05 73.80, 118.78 75.69 60.05 68
2 03/16/2025 04:18:29 -73.34, -74.47 104.72 03/16/2025 04:18:34 -73.33, -74.53 104.74 2.68 5
3 03/16/2025 05:09:09 73.02, 93.54 74.91 03/16/2025 05:07:58 73.07, 92.63 75.04 29.96 71
4 03/18/2025 14:40:08 73.41, -50.02 74.38 03/18/2025 14:40:41 73.41, -49.96 74.37 2.05 33
5 03/18/2025 15:30:49 -73.28, 117.58 105.77 03/18/2025 15:30:03 -73.30, 117.50 105.74 3.31 46
6 03/21/2025 01:01:44 -73.42, -25.45 106.58 03/21/2025 01:02:50 -73.43, -25.50 106.59 1.74 66
7 03/21/2025 01:52:29 73.36, 142.00 73.34 03/21/2025 01:52:11 73.33, 141.98 73.32 3.17 18
8 03/23/2025 12:14:05 -73.38, 166.55 107.61 03/23/2025 12:14:18 -73.41, 166.55 107.58 3.12 13
9 03/23/2025 13:04:50 73.32, -26.01 72.32 03/23/2025 13:03:39 73.31, -25.98 72.32 1.67 71
10 03/25/2025 22:35:44 73.44,-168.98 71.50 03/25/2025 22:36:24 73.44,-168.95 71.49 1.18 40
11 03/25/2025 23:26:26 -73.35, -1.47 108.62 03/25/2025 23:25:46 -73.34, -1.50 108.62 1.71 40
12 03/28/2025 08:57:20 -73.47,-144.45 109.43 03/28/2025 08:58:30 -73.48,-144.45 109.44 0.86 70
13 03/28/2025 09:48:04 73.37, 23.08 70.45 03/28/2025 09:47:51 73.37, 23.00 70.46 2.56 13

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 3/16/2025
SNOs_Map_NOAA-20_TERRA_20250316.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 03/16/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA