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: 4/20/2025
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 15:13:01 70.88, -54.89 55.31 05/02/2025 15:14:10 70.95, -53.34 55.32 56.90 69
2 05/02/2025 16:03:51 -71.36, 113.21 124.26 05/02/2025 16:05:02 -71.36, 113.27 124.26 2.18 71
3 05/02/2025 16:54:48 71.37, -79.50 55.75 05/02/2025 16:55:48 71.37, -79.44 55.74 2.30 60
4 05/02/2025 17:45:46 -71.38, 87.78 124.25 05/02/2025 17:46:32 -71.41, 87.80 124.23 3.34 46
5 05/02/2025 18:36:43 71.40,-104.94 55.76 05/02/2025 18:37:18 71.42,-104.91 55.77 2.71 35
6 05/02/2025 19:27:42 -71.41, 62.34 124.24 05/02/2025 19:28:02 -71.41, 62.42 124.25 2.88 20
7 05/02/2025 20:18:39 71.43,-130.37 55.76 05/02/2025 20:18:48 71.42,-130.28 55.75 3.17 9
8 05/02/2025 21:09:38 -71.44, 36.91 124.24 05/02/2025 21:09:33 -71.46, 36.96 124.21 3.17 5
9 05/02/2025 22:00:35 71.45,-155.80 55.77 05/02/2025 22:00:19 71.47,-155.75 55.79 2.90 16
10 05/02/2025 22:51:33 -71.52, 11.57 124.18 05/02/2025 22:51:04 -71.52, 11.49 124.18 2.98 29
11 05/02/2025 23:42:30 71.53, 178.86 55.82 05/02/2025 23:41:50 71.53, 178.78 55.82 2.82 40
12 05/03/2025 00:33:30 -71.50, -13.95 124.23 05/03/2025 00:32:34 -71.52, -13.89 124.20 3.23 56
13 05/03/2025 01:24:27 71.51, 153.33 55.78 05/03/2025 01:23:20 71.53, 153.41 55.80 3.29 67
14 05/03/2025 02:15:22 -71.73, -39.00 124.03 05/03/2025 02:14:08 -71.72, -39.63 124.00 22.09 74
15 05/03/2025 03:06:11 72.15, 129.08 56.37 05/03/2025 03:05:02 72.15, 126.88 56.44 75.10 69

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 4/20/2025
SNOs_Map_NOAA-19_NPP_20250420.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 04/20/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP