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: 6/13/2025
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 06/14/2025 07:54:55 -73.83,-129.59 129.20 06/14/2025 07:55:51 -73.84,-129.60 129.20 2.00 56
2 06/14/2025 08:45:39 73.74, 37.93 50.70 06/14/2025 08:45:11 73.73, 37.82 50.70 3.68 28
3 06/16/2025 18:16:37 73.83,-105.01 50.72 06/16/2025 18:17:35 73.83,-105.12 50.71 3.29 58
4 06/16/2025 19:07:20 -73.77, 62.44 129.35 06/16/2025 19:06:57 -73.76, 62.40 129.35 1.70 23
5 06/19/2025 04:38:18 -73.86, -80.52 129.29 06/19/2025 04:39:20 -73.89, -80.48 129.29 2.63 62
6 06/19/2025 05:29:02 73.78, 87.01 50.62 06/19/2025 05:28:40 73.77, 86.95 50.62 1.81 22
7 06/21/2025 15:00:00 73.88, -55.96 50.73 06/21/2025 15:01:03 73.88, -55.98 50.71 0.61 63
8 06/21/2025 15:50:43 -73.82, 111.49 129.34 06/21/2025 15:50:25 -73.80, 111.52 129.36 2.41 18
9 06/24/2025 01:21:40 -73.87, -31.37 129.24 06/24/2025 01:22:48 -73.87, -31.47 129.26 3.02 68
10 06/24/2025 02:12:25 73.84, 136.03 50.72 06/24/2025 02:12:07 73.82, 136.08 50.70 2.72 18
11 06/26/2025 11:43:22 73.90, -6.85 50.87 06/26/2025 11:44:29 73.92, -6.84 50.87 2.58 67
12 06/26/2025 12:34:05 -73.84, 160.60 129.20 06/26/2025 12:33:51 -73.84, 160.64 129.20 1.31 14

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 6/13/2025
SNOs_Map_NOAA-20_TERRA_20250613.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 06/13/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA