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: 4/28/2025
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 15:12:59 70.92, -54.82 55.35 05/02/2025 15:14:09 70.95, -53.35 55.33 53.36 70
2 05/02/2025 16:03:49 -71.39, 113.28 124.22 05/02/2025 16:05:01 -71.37, 113.25 124.25 2.39 72
3 05/02/2025 16:54:47 71.36, -79.52 55.75 05/02/2025 16:55:47 71.37, -79.44 55.74 2.71 60
4 05/02/2025 17:45:45 -71.42, 87.84 124.22 05/02/2025 17:46:32 -71.42, 87.78 124.22 2.34 47
5 05/02/2025 18:36:42 71.44,-104.86 55.80 05/02/2025 18:37:18 71.42,-104.91 55.78 2.84 36
6 05/02/2025 19:27:41 -71.45, 62.41 124.21 05/02/2025 19:28:02 -71.43, 62.40 124.24 2.59 21
7 05/02/2025 20:18:38 71.47,-130.29 55.80 05/02/2025 20:18:49 71.48,-130.38 55.81 3.31 11
8 05/02/2025 21:09:37 -71.48, 36.98 124.20 05/02/2025 21:09:33 -71.48, 36.94 124.20 1.52 4
9 05/02/2025 22:00:34 71.50,-155.72 55.81 05/02/2025 22:00:19 71.48,-155.76 55.79 2.51 15
10 05/02/2025 22:51:33 -71.50, 11.55 124.20 05/02/2025 22:51:03 -71.48, 11.56 124.22 3.05 30
11 05/02/2025 23:42:30 71.52, 178.84 55.81 05/02/2025 23:41:50 71.53, 178.78 55.83 2.49 40
12 05/03/2025 00:33:29 -71.53, -13.88 124.19 05/03/2025 00:32:34 -71.53, -13.91 124.19 0.86 55
13 05/03/2025 01:24:26 71.55, 153.41 55.82 05/03/2025 01:23:20 71.53, 153.40 55.81 2.43 66
14 05/03/2025 02:15:21 -71.76, -38.93 124.00 05/03/2025 02:14:08 -71.74, -39.66 123.99 25.40 73
15 05/03/2025 03:06:11 72.14, 129.06 56.36 05/03/2025 03:05:02 72.15, 126.87 56.44 74.79 69

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 4/28/2025
SNOs_Map_NOAA-19_NPP_20250428.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 04/28/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP