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: 5/6/2025
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 05/18/2025 20:17:42 70.51,-131.34 50.79 05/18/2025 20:18:48 70.53,-128.80 50.71 94.23 66
2 05/18/2025 21:08:32 -71.20, 37.08 128.58 05/18/2025 21:09:46 -71.23, 37.34 128.56 10.05 74
3 05/18/2025 21:59:23 71.31,-155.43 51.53 05/18/2025 22:00:33 71.31,-155.49 51.52 2.21 70
4 05/18/2025 22:50:26 -71.33, 11.83 128.47 05/18/2025 22:51:18 -71.34, 11.78 128.46 2.44 52
5 05/18/2025 23:41:19 71.34, 179.13 51.54 05/18/2025 23:42:03 71.32, 179.13 51.51 2.73 44
6 05/19/2025 00:32:22 -71.35, -13.61 128.46 05/19/2025 00:32:48 -71.34, -13.60 128.48 1.10 26
7 05/19/2025 01:23:15 71.37, 153.70 51.55 05/19/2025 01:23:34 71.37, 153.66 51.55 1.30 19
8 05/19/2025 02:14:18 -71.38, -39.04 128.45 05/19/2025 02:14:19 -71.40, -39.07 128.44 2.18 1
9 05/19/2025 03:05:11 71.39, 128.26 51.56 05/19/2025 03:05:04 71.37, 128.28 51.54 2.35 7
10 05/19/2025 03:56:14 -71.40, -64.48 128.44 05/19/2025 03:55:49 -71.40, -64.45 128.45 1.38 25
11 05/19/2025 04:47:07 71.42, 102.82 51.56 05/19/2025 04:46:35 71.43, 102.81 51.58 1.02 32
12 05/19/2025 05:38:10 -71.43, -89.92 128.44 05/19/2025 05:37:20 -71.45, -89.92 128.41 2.35 50
13 05/19/2025 06:29:03 71.44, 77.39 51.57 05/19/2025 06:28:05 71.43, 77.44 51.56 2.43 58
14 05/19/2025 07:20:05 -71.51,-115.26 128.38 05/19/2025 07:18:51 -71.50,-115.39 128.37 4.54 74
15 05/19/2025 08:10:53 71.77, 52.53 51.87 05/19/2025 08:09:41 71.74, 51.50 51.88 36.06 72

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 5/6/2025
SNOs_Map_NOAA-19_NPP_20250506.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 05/06/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP