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: 5/16/2025
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 70.50,-131.36 50.78 05/18/2025 20:18:48 70.52,-128.78 50.70 95.62 66
2 05/18/2025 21:08:32 -71.18, 37.04 128.60 05/18/2025 21:09:46 -71.23, 37.33 128.56 12.33 74
3 05/18/2025 21:59:23 71.30,-155.45 51.52 05/18/2025 22:00:33 71.30,-155.47 51.51 0.81 70
4 05/18/2025 22:50:26 -71.30, 11.79 128.49 05/18/2025 22:51:17 -71.29, 11.87 128.52 3.23 51
5 05/18/2025 23:41:19 71.33, 179.11 51.53 05/18/2025 23:42:03 71.30, 179.15 51.49 2.96 44
6 05/19/2025 00:32:22 -71.33, -13.65 128.48 05/19/2025 00:32:48 -71.34, -13.60 128.48 2.02 26
7 05/19/2025 01:23:15 71.35, 153.67 51.53 05/19/2025 01:23:34 71.36, 153.68 51.54 0.51 19
8 05/19/2025 02:14:17 -71.41, -38.99 128.43 05/19/2025 02:14:19 -71.39, -39.07 128.44 3.20 2
9 05/19/2025 03:05:11 71.38, 128.24 51.54 05/19/2025 03:05:04 71.36, 128.30 51.52 3.19 7
10 05/19/2025 03:56:14 -71.38, -64.52 128.46 05/19/2025 03:55:49 -71.40, -64.45 128.45 2.94 25
11 05/19/2025 04:47:07 71.40, 102.80 51.55 05/19/2025 04:46:35 71.41, 102.83 51.56 1.49 32
12 05/19/2025 05:38:09 -71.46, -89.86 128.41 05/19/2025 05:37:20 -71.45, -89.92 128.41 2.28 49
13 05/19/2025 06:29:03 71.43, 77.36 51.56 05/19/2025 06:28:05 71.41, 77.46 51.55 3.69 58
14 05/19/2025 07:20:05 -71.49,-115.30 128.40 05/19/2025 07:18:51 -71.50,-115.39 128.37 3.69 74
15 05/19/2025 08:10:53 71.76, 52.50 51.86 05/19/2025 08:09:41 71.73, 51.52 51.87 34.60 72

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 5/16/2025
SNOs_Map_NOAA-19_NPP_20250516.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 05/16/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP