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: 6/25/2025
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 07/06/2025 14:54:38 70.54, -49.57 48.00 07/06/2025 14:55:47 70.60, -48.00 47.98 58.37 69
2 07/06/2025 15:45:28 -71.04, 118.54 131.54 07/06/2025 15:46:39 -71.03, 118.60 131.56 2.21 71
3 07/06/2025 16:36:24 71.07, -74.13 48.50 07/06/2025 16:37:26 71.08, -74.17 48.49 1.52 62
4 07/06/2025 17:27:23 -71.11, 93.19 131.47 07/06/2025 17:28:10 -71.09, 93.13 131.50 2.95 47
5 07/06/2025 18:18:20 71.09, -99.58 48.52 07/06/2025 18:18:56 71.08, -99.55 48.50 1.60 36
6 07/06/2025 19:09:19 -71.13, 67.74 131.44 07/06/2025 19:09:41 -71.14, 67.66 131.43 3.27 22
7 07/06/2025 20:00:16 71.12,-125.02 48.55 07/06/2025 20:00:27 71.14,-125.02 48.57 2.58 11
8 07/06/2025 20:51:15 -71.15, 42.29 131.42 07/06/2025 20:51:11 -71.15, 42.28 131.42 0.44 4
9 07/06/2025 21:42:12 71.14,-150.47 48.58 07/06/2025 21:41:57 71.14,-150.40 48.58 2.42 15
10 07/06/2025 22:33:11 -71.17, 16.85 131.39 07/06/2025 22:32:41 -71.15, 16.90 131.41 2.73 30
11 07/06/2025 23:24:07 71.21,-175.82 48.65 07/06/2025 23:23:28 71.20,-175.87 48.65 2.23 39
12 07/07/2025 00:15:07 -71.19, -8.60 131.36 07/07/2025 00:14:12 -71.21, -8.57 131.34 2.25 55
13 07/07/2025 01:06:03 71.23, 158.74 48.68 07/07/2025 01:04:58 71.20, 158.75 48.66 3.14 65
14 07/07/2025 01:56:59 -71.42, -33.68 131.15 07/07/2025 01:55:46 -71.42, -34.32 131.10 22.72 73
15 07/07/2025 02:47:48 71.81, 134.33 49.23 07/07/2025 02:46:39 71.78, 132.34 49.29 69.27 69

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 6/25/2025
SNOs_Map_NOAA-19_NPP_20250625.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 06/25/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP