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: 5/15/2025
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 05/16/2025 02:43:50 73.73, 128.38 54.77 05/16/2025 02:45:00 73.71, 128.41 54.73 2.53 70
2 05/16/2025 03:34:32 -73.61, -64.03 125.37 05/16/2025 03:34:23 -73.61, -64.13 125.37 3.17 9
3 05/18/2025 13:05:37 -73.99, 152.33 125.48 05/18/2025 13:06:48 -73.91, 153.34 125.63 32.08 71
4 05/18/2025 13:56:15 73.67, -39.59 54.16 05/18/2025 13:56:09 73.67, -39.50 54.15 2.71 6
5 05/18/2025 14:46:49 -73.15, 128.90 126.43 05/18/2025 14:45:39 -73.21, 127.22 126.26 54.58 70
6 05/20/2025 23:27:23 74.20, 176.37 54.25 05/20/2025 23:28:31 74.11, 178.27 54.04 58.41 68
7 05/21/2025 00:17:57 -73.68, -15.05 126.34 05/21/2025 00:18:01 -73.65, -15.05 126.37 3.06 4
8 05/21/2025 01:08:35 73.31, 153.12 53.25 05/21/2025 01:07:24 73.35, 152.00 53.36 35.80 71
9 05/23/2025 10:39:39 73.65, 9.59 53.16 05/23/2025 10:39:48 73.67, 9.48 53.18 3.82 9
10 05/23/2025 11:30:23 -73.63, 176.97 126.88 05/23/2025 11:29:10 -73.64, 177.08 126.86 3.46 73
11 05/25/2025 21:01:22 -73.72, 34.01 127.20 05/25/2025 21:01:38 -73.72, 34.09 127.21 2.45 16
12 05/25/2025 21:52:05 73.61,-158.40 52.67 05/25/2025 21:50:57 73.62,-158.44 52.70 2.31 68
13 05/28/2025 07:23:04 73.71, 58.63 52.39 05/28/2025 07:23:25 73.69, 58.53 52.37 3.59 21

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 5/15/2025
SNOs_Map_NOAA-20_TERRA_20250515.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 05/15/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA