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: 5/18/2025
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 20:17:43 70.49,-131.37 50.77 05/18/2025 20:18:49 70.53,-128.80 50.71 95.75 66
2 05/18/2025 21:08:33 -71.16, 37.02 128.61 05/18/2025 21:09:47 -71.25, 37.31 128.55 14.01 74
3 05/18/2025 21:59:24 71.29,-155.47 51.51 05/18/2025 22:00:34 71.31,-155.49 51.52 2.45 70
4 05/18/2025 22:50:26 -71.29, 11.77 128.51 05/18/2025 22:51:17 -71.30, 11.84 128.51 2.91 51
5 05/18/2025 23:41:19 71.32, 179.09 51.52 05/18/2025 23:42:03 71.31, 179.13 51.51 1.42 44
6 05/19/2025 00:32:21 -71.37, -13.58 128.45 05/19/2025 00:32:48 -71.35, -13.62 128.46 2.35 27
7 05/19/2025 01:23:15 71.34, 153.65 51.52 05/19/2025 01:23:34 71.37, 153.66 51.55 2.83 19
8 05/19/2025 02:14:17 -71.39, -39.01 128.44 05/19/2025 02:14:19 -71.41, -39.09 128.42 3.18 2
9 05/19/2025 03:05:11 71.37, 128.22 51.53 05/19/2025 03:05:04 71.37, 128.28 51.53 2.39 7
10 05/19/2025 03:56:13 -71.42, -64.45 128.43 05/19/2025 03:55:49 -71.41, -64.47 128.44 1.53 24
11 05/19/2025 04:47:06 71.44, 102.87 51.59 05/19/2025 04:46:35 71.42, 102.82 51.58 3.20 31
12 05/19/2025 05:38:09 -71.45, -89.88 128.42 05/19/2025 05:37:20 -71.46, -89.94 128.40 2.59 49
13 05/19/2025 06:29:02 71.47, 77.44 51.60 05/19/2025 06:28:06 71.48, 77.34 51.62 3.35 56
14 05/19/2025 07:20:05 -71.47,-115.32 128.41 05/19/2025 07:18:50 -71.46,-115.32 128.41 1.02 75
15 05/19/2025 08:10:53 71.75, 52.48 51.85 05/19/2025 08:09:41 71.74, 51.50 51.88 34.33 72

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 5/18/2025
SNOs_Map_NOAA-19_NPP_20250518.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 05/18/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP