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: 7/15/2025
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 07/15/2025 22:37:36 73.97,-170.55 52.98 07/15/2025 22:38:18 73.95,-170.63 52.94 3.45 42
2 07/15/2025 23:28:18 -73.89, -3.04 127.11 07/15/2025 23:27:38 -73.92, -3.02 127.08 3.16 40
3 07/18/2025 08:59:16 -73.99,-146.00 126.59 07/18/2025 09:00:00 -73.97,-146.05 126.62 2.19 44
4 07/18/2025 09:50:01 73.93, 21.46 53.35 07/18/2025 09:49:20 73.92, 21.50 53.34 1.69 41
5 07/20/2025 19:20:59 74.03,-121.52 53.91 07/20/2025 19:21:41 74.01,-121.45 53.87 3.17 42
6 07/20/2025 20:11:41 -73.94, 46.01 126.19 07/20/2025 20:11:02 -73.93, 46.05 126.19 1.98 39
7 07/23/2025 05:42:38 -73.99, -96.85 125.65 07/23/2025 05:43:23 -74.01, -96.92 125.65 2.68 45
8 07/23/2025 06:33:23 73.94, 70.60 54.30 07/23/2025 06:32:43 73.95, 70.62 54.31 0.97 40
9 07/25/2025 16:04:20 74.00, -72.28 54.87 07/25/2025 16:05:04 74.01, -72.39 54.88 3.63 44
10 07/25/2025 16:55:03 -73.96, 95.14 125.17 07/25/2025 16:54:25 -73.94, 95.13 125.18 1.74 38
11 07/28/2025 02:26:01 -74.06, -47.85 124.51 07/28/2025 02:26:45 -74.05, -47.77 124.54 2.90 44
12 07/28/2025 03:16:45 73.96, 119.70 55.39 07/28/2025 03:16:05 73.97, 119.74 55.41 1.68 40

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 7/15/2025
SNOs_Map_NOAA-20_TERRA_20250715.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 07/15/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA