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: 4/22/2025
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 70.92, -54.83 55.35 05/02/2025 15:14:10 70.97, -53.37 55.34 53.14 70
2 05/02/2025 16:03:50 -71.39, 113.27 124.22 05/02/2025 16:05:02 -71.38, 113.23 124.24 1.93 72
3 05/02/2025 16:54:47 71.41, -79.43 55.79 05/02/2025 16:55:48 71.38, -79.47 55.76 2.93 61
4 05/02/2025 17:45:46 -71.42, 87.84 124.22 05/02/2025 17:46:33 -71.43, 87.77 124.21 2.93 47
5 05/02/2025 18:36:43 71.44,-104.87 55.79 05/02/2025 18:37:19 71.44,-104.93 55.79 2.42 36
6 05/02/2025 19:27:42 -71.45, 62.41 124.21 05/02/2025 19:28:03 -71.43, 62.39 124.23 1.94 21
7 05/02/2025 20:18:39 71.46,-130.30 55.80 05/02/2025 20:18:49 71.44,-130.31 55.77 2.96 10
8 05/02/2025 21:09:38 -71.48, 36.98 124.20 05/02/2025 21:09:34 -71.48, 36.92 124.20 2.04 4
9 05/02/2025 22:00:35 71.49,-155.73 55.80 05/02/2025 22:00:20 71.49,-155.78 55.81 1.63 15
10 05/02/2025 22:51:34 -71.50, 11.55 124.20 05/02/2025 22:51:04 -71.48, 11.55 124.22 2.33 30
11 05/02/2025 23:42:31 71.52, 178.84 55.81 05/02/2025 23:41:50 71.49, 178.85 55.79 3.22 41
12 05/03/2025 00:33:30 -71.53, -13.88 124.19 05/03/2025 00:32:35 -71.54, -13.92 124.18 1.21 55
13 05/03/2025 01:24:27 71.55, 153.40 55.81 05/03/2025 01:23:21 71.54, 153.38 55.82 0.97 66
14 05/03/2025 02:15:22 -71.76, -38.93 123.99 05/03/2025 02:14:09 -71.74, -39.67 123.98 25.73 73
15 05/03/2025 03:06:11 72.19, 129.16 56.40 05/03/2025 03:05:03 72.16, 126.85 56.46 78.66 68

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 4/22/2025
SNOs_Map_NOAA-19_NPP_20250422.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 04/22/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP