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: 5/17/2025
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 70.49,-131.37 50.77 05/18/2025 20:18:48 70.52,-128.79 50.71 95.87 66
2 05/18/2025 21:08:32 -71.17, 37.03 128.61 05/18/2025 21:09:46 -71.24, 37.32 128.55 13.50 74
3 05/18/2025 21:59:23 71.29,-155.47 51.51 05/18/2025 22:00:33 71.31,-155.48 51.51 1.69 70
4 05/18/2025 22:50:26 -71.29, 11.77 128.50 05/18/2025 22:51:17 -71.29, 11.86 128.51 2.90 51
5 05/18/2025 23:41:19 71.32, 179.10 51.52 05/18/2025 23:42:03 71.31, 179.14 51.50 1.88 44
6 05/19/2025 00:32:21 -71.37, -13.57 128.44 05/19/2025 00:32:48 -71.35, -13.61 128.47 3.03 27
7 05/19/2025 01:23:15 71.34, 153.66 51.53 05/19/2025 01:23:34 71.36, 153.67 51.54 2.10 19
8 05/19/2025 02:14:17 -71.40, -39.01 128.44 05/19/2025 02:14:19 -71.40, -39.08 128.43 2.70 2
9 05/19/2025 03:05:11 71.37, 128.22 51.54 05/19/2025 03:05:04 71.36, 128.29 51.53 2.62 7
10 05/19/2025 03:56:13 -71.42, -64.44 128.43 05/19/2025 03:55:49 -71.40, -64.46 128.44 2.39 24
11 05/19/2025 04:47:07 71.40, 102.78 51.54 05/19/2025 04:46:35 71.42, 102.82 51.57 2.91 32
12 05/19/2025 05:38:09 -71.45, -89.88 128.42 05/19/2025 05:37:20 -71.46, -89.93 128.40 1.89 49
13 05/19/2025 06:29:02 71.47, 77.44 51.60 05/19/2025 06:28:06 71.47, 77.35 51.61 3.09 56
14 05/19/2025 07:20:05 -71.48,-115.31 128.41 05/19/2025 07:18:50 -71.46,-115.31 128.42 2.03 75
15 05/19/2025 08:10:53 71.75, 52.49 51.85 05/19/2025 08:09:41 71.73, 51.51 51.87 34.18 72

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 5/17/2025
SNOs_Map_NOAA-19_NPP_20250517.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 05/17/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP