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: 7/12/2025
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 07/13/2025 12:15:54 -73.97, 164.89 127.42 07/13/2025 12:16:36 -73.97, 164.90 127.43 1.10 42
2 07/13/2025 13:06:39 73.90, -27.65 52.52 07/13/2025 13:05:56 73.92, -27.55 52.54 3.33 43
3 07/15/2025 22:37:37 73.99,-170.60 53.00 07/15/2025 22:38:18 73.98,-170.55 52.97 1.93 41
4 07/15/2025 23:28:19 -73.91, -3.08 127.09 07/15/2025 23:27:39 -73.91, -3.05 127.09 1.08 40
5 07/18/2025 08:59:17 -74.00,-146.03 126.58 07/18/2025 09:00:00 -74.02,-145.96 126.58 2.82 43
6 07/18/2025 09:50:01 73.89, 21.54 53.31 07/18/2025 09:49:21 73.90, 21.46 53.33 2.39 40
7 07/20/2025 19:20:59 73.99,-121.43 53.86 07/20/2025 19:21:42 74.00,-121.47 53.86 1.67 43
8 07/20/2025 20:11:42 -73.95, 45.99 126.18 07/20/2025 20:11:03 -73.93, 46.04 126.20 3.22 39
9 07/23/2025 05:42:38 -73.99, -96.85 125.65 07/23/2025 05:43:23 -74.01, -96.91 125.64 2.70 45
10 07/23/2025 06:33:23 73.94, 70.59 54.30 07/23/2025 06:32:43 73.94, 70.61 54.31 0.91 40
11 07/25/2025 16:04:21 74.04, -72.39 54.92 07/25/2025 16:05:04 74.02, -72.37 54.88 2.53 43
12 07/25/2025 16:55:03 -73.95, 95.16 125.18 07/25/2025 16:54:25 -73.95, 95.15 125.17 0.64 38

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 7/12/2025
SNOs_Map_NOAA-20_TERRA_20250712.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 07/12/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA