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: 6/15/2025
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 06/16/2025 18:16:38 73.84,-105.03 50.73 06/16/2025 18:17:36 73.85,-105.09 50.72 1.88 58
2 06/16/2025 19:07:21 -73.78, 62.41 129.33 06/16/2025 19:06:58 -73.77, 62.43 129.34 1.22 23
3 06/19/2025 04:38:19 -73.87, -80.53 129.28 06/19/2025 04:39:22 -73.88, -80.51 129.29 1.05 63
4 06/19/2025 05:29:02 73.78, 87.00 50.62 06/19/2025 05:28:41 73.77, 86.93 50.62 2.49 21
5 06/21/2025 15:00:00 73.87, -55.96 50.72 06/21/2025 15:01:05 73.86, -56.03 50.69 2.86 65
6 06/21/2025 15:50:43 -73.82, 111.49 129.34 06/21/2025 15:50:26 -73.83, 111.58 129.33 3.26 17
7 06/24/2025 01:21:41 -73.92, -31.47 129.19 06/24/2025 01:22:50 -73.90, -31.42 129.23 2.15 69
8 06/24/2025 02:12:25 73.83, 136.05 50.71 06/24/2025 02:12:10 73.80, 136.03 50.69 3.17 15
9 06/26/2025 11:43:23 73.93, -6.92 50.90 06/26/2025 11:44:33 73.91, -6.89 50.86 2.19 70
10 06/26/2025 12:34:05 -73.82, 160.65 129.22 06/26/2025 12:33:55 -73.82, 160.60 129.21 1.57 10
11 06/28/2025 22:05:05 -74.02, 17.43 128.88 06/28/2025 22:06:17 -73.97, 17.75 128.98 11.89 72
12 06/28/2025 22:55:47 73.84,-174.80 50.92 06/28/2025 22:55:37 73.87,-174.79 50.95 3.41 10

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 6/15/2025
SNOs_Map_NOAA-20_TERRA_20250615.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 06/15/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA