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: 7/18/2025
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 07/18/2025 08:59:16 -73.99,-145.99 126.60 07/18/2025 09:00:00 -73.98,-146.05 126.62 1.98 44
2 07/18/2025 09:50:01 73.92, 21.47 53.34 07/18/2025 09:49:20 73.92, 21.51 53.35 1.09 41
3 07/20/2025 19:20:59 74.02,-121.50 53.90 07/20/2025 19:21:41 74.01,-121.44 53.87 2.08 42
4 07/20/2025 20:11:41 -73.94, 46.02 126.19 07/20/2025 20:11:02 -73.93, 46.05 126.19 1.43 39
5 07/23/2025 05:42:39 -74.04, -96.95 125.60 07/23/2025 05:43:23 -74.01, -96.92 125.65 3.31 44
6 07/23/2025 06:33:23 73.93, 70.62 54.29 07/23/2025 06:32:43 73.95, 70.62 54.32 2.23 40
7 07/25/2025 16:04:21 74.03, -72.37 54.91 07/25/2025 16:05:04 74.01, -72.38 54.88 2.45 43
8 07/25/2025 16:55:03 -73.95, 95.17 125.18 07/25/2025 16:54:25 -73.94, 95.13 125.18 1.40 38
9 07/28/2025 02:26:01 -74.05, -47.82 124.53 07/28/2025 02:26:45 -74.04, -47.78 124.55 1.27 44
10 07/28/2025 03:16:45 73.95, 119.74 55.37 07/28/2025 03:16:05 73.98, 119.74 55.41 3.14 40
11 07/30/2025 12:47:42 74.06, -23.26 56.06 07/30/2025 12:48:24 74.07, -23.20 56.05 1.97 42
12 07/30/2025 13:38:24 -73.96, 144.29 124.04 07/30/2025 13:37:46 -73.95, 144.21 124.04 2.84 38

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 7/18/2025
SNOs_Map_NOAA-20_TERRA_20250718.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 07/18/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA