Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-19 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/25/2025
Index Date (NOAA-19) Time (NOAA-19) Lat,Lon (NOAA-19) SZA (NOAA-19 ) Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Distance(km) Time Diff (sec)
1 05/02/2025 15:13:00 70.89, -54.88 55.32 05/02/2025 15:14:09 70.94, -53.33 55.32 56.41 69
2 05/02/2025 16:03:50 -71.36, 113.22 124.25 05/02/2025 16:05:01 -71.36, 113.27 124.26 1.76 71
3 05/02/2025 16:54:47 71.38, -79.48 55.76 05/02/2025 16:55:47 71.36, -79.43 55.73 2.94 60
4 05/02/2025 17:45:46 -71.39, 87.79 124.24 05/02/2025 17:46:32 -71.41, 87.80 124.23 2.51 46
5 05/02/2025 18:36:43 71.41,-104.92 55.77 05/02/2025 18:37:18 71.41,-104.89 55.77 1.02 35
6 05/02/2025 19:27:42 -71.42, 62.35 124.24 05/02/2025 19:28:02 -71.41, 62.43 124.25 2.62 20
7 05/02/2025 20:18:39 71.44,-130.35 55.77 05/02/2025 20:18:49 71.47,-130.36 55.80 3.40 10
8 05/02/2025 21:09:38 -71.45, 36.92 124.23 05/02/2025 21:09:33 -71.46, 36.96 124.22 2.34 5
9 05/02/2025 22:00:35 71.46,-155.78 55.78 05/02/2025 22:00:19 71.47,-155.74 55.78 1.66 16
10 05/02/2025 22:51:33 -71.53, 11.59 124.18 05/02/2025 22:51:04 -71.52, 11.49 124.18 3.47 29
11 05/02/2025 23:42:31 71.49, 178.78 55.78 05/02/2025 23:41:50 71.52, 178.79 55.82 3.15 41
12 05/03/2025 00:33:30 -71.50, -13.94 124.22 05/03/2025 00:32:34 -71.52, -13.88 124.20 2.49 56
13 05/03/2025 01:24:27 71.52, 153.35 55.79 05/03/2025 01:23:20 71.52, 153.42 55.80 2.38 67
14 05/03/2025 02:15:22 -71.73, -38.99 124.02 05/03/2025 02:14:08 -71.72, -39.63 124.00 22.47 74
15 05/03/2025 03:06:11 72.16, 129.10 56.38 05/03/2025 03:05:03 72.19, 126.79 56.49 78.73 68

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 4/25/2025
SNOs_Map_NOAA-19_NPP_20250425.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 04/25/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP