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: 5/14/2025
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,-131.35 50.78 05/18/2025 20:18:48 70.52,-128.78 50.70 95.55 66
2 05/18/2025 21:08:32 -71.18, 37.05 128.60 05/18/2025 21:09:46 -71.23, 37.34 128.56 11.82 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 0.96 70
4 05/18/2025 22:50:26 -71.31, 11.80 128.49 05/18/2025 22:51:18 -71.34, 11.78 128.47 3.15 52
5 05/18/2025 23:41:19 71.33, 179.12 51.53 05/18/2025 23:42:03 71.30, 179.15 51.49 3.33 44
6 05/19/2025 00:32:22 -71.33, -13.64 128.48 05/19/2025 00:32:48 -71.34, -13.60 128.48 1.56 26
7 05/19/2025 01:23:15 71.36, 153.68 51.54 05/19/2025 01:23:34 71.36, 153.68 51.53 0.15 19
8 05/19/2025 02:14:18 -71.36, -39.07 128.47 05/19/2025 02:14:19 -71.39, -39.06 128.44 3.37 1
9 05/19/2025 03:05:11 71.38, 128.24 51.55 05/19/2025 03:05:05 71.41, 128.21 51.58 3.30 6
10 05/19/2025 03:56:14 -71.39, -64.51 128.46 05/19/2025 03:55:49 -71.39, -64.44 128.45 2.54 25
11 05/19/2025 04:47:07 71.41, 102.80 51.56 05/19/2025 04:46:35 71.41, 102.84 51.56 1.21 32
12 05/19/2025 05:38:09 -71.46, -89.85 128.40 05/19/2025 05:37:20 -71.45, -89.91 128.41 2.88 49
13 05/19/2025 06:29:03 71.43, 77.37 51.56 05/19/2025 06:28:06 71.46, 77.37 51.60 3.60 57
14 05/19/2025 07:20:05 -71.49,-115.29 128.39 05/19/2025 07:18:51 -71.50,-115.38 128.37 3.36 74
15 05/19/2025 08:10:53 71.77, 52.51 51.87 05/19/2025 08:09:41 71.73, 51.52 51.86 34.70 72

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 5/14/2025
SNOs_Map_NOAA-19_NPP_20250514.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 05/14/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP