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: 7/27/2025
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 07/28/2025 02:26:00 -74.04, -47.80 124.53 07/28/2025 02:26:44 -74.02, -47.82 124.56 2.42 44
2 07/28/2025 03:16:45 73.98, 119.66 55.41 07/28/2025 03:16:04 73.97, 119.72 55.40 2.63 41
3 07/30/2025 12:47:42 74.05, -23.23 56.05 07/30/2025 12:48:24 74.03, -23.27 56.03 2.10 42
4 07/30/2025 13:38:24 -73.96, 144.29 124.04 07/30/2025 13:37:45 -73.96, 144.23 124.03 1.99 39
5 08/01/2025 23:09:22 -74.08, 1.28 123.31 08/01/2025 23:10:04 -74.06, 1.33 123.34 2.14 42
6 08/02/2025 00:00:06 73.97, 168.85 56.58 08/01/2025 23:59:24 73.99, 168.85 56.61 2.11 42
7 08/04/2025 09:31:03 74.05, 25.94 57.29 08/04/2025 09:31:43 74.08, 25.90 57.31 3.33 40
8 08/04/2025 10:21:46 -74.00,-166.64 122.75 08/04/2025 10:21:04 -74.01,-166.57 122.74 2.23 42
9 08/06/2025 19:52:43 -74.08, 50.45 122.02 08/06/2025 19:53:23 -74.08, 50.45 122.03 0.77 40
10 08/06/2025 20:43:27 73.98,-142.00 57.89 08/06/2025 20:42:43 74.00,-142.06 57.92 2.59 44
11 08/09/2025 06:14:25 74.11, 74.94 58.71 08/09/2025 06:15:01 74.10, 75.02 58.68 2.97 36
12 08/09/2025 07:05:07 -74.01,-117.49 121.40 08/09/2025 07:04:23 -74.00,-117.53 121.40 2.11 44

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 7/27/2025
SNOs_Map_NOAA-20_TERRA_20250727.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 07/27/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA