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: 3/22/2025
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 03/31/2025 03:21:16 70.95, 122.52 66.84 03/31/2025 03:22:24 71.00, 124.44 66.79 69.62 68
2 03/31/2025 04:12:02 -71.38, -69.44 112.79 03/31/2025 04:13:15 -71.40, -68.93 112.81 18.24 73
3 03/31/2025 05:03:01 71.55, 98.12 67.35 03/31/2025 05:04:04 71.54, 98.13 67.33 1.61 63
4 03/31/2025 05:53:55 -71.57, -94.58 112.65 03/31/2025 05:54:48 -71.57, -94.60 112.66 0.84 53
5 03/31/2025 06:44:57 71.58, 72.70 67.36 03/31/2025 06:45:35 71.60, 72.64 67.37 2.80 38
6 03/31/2025 07:35:50 -71.60,-120.00 112.65 03/31/2025 07:36:17 -71.58,-120.00 112.67 2.25 27
7 03/31/2025 08:26:52 71.62, 47.27 67.36 03/31/2025 08:27:04 71.62, 47.24 67.36 1.14 12
8 03/31/2025 09:17:46 -71.63,-145.42 112.64 03/31/2025 09:17:48 -71.64,-145.49 112.63 2.74 2
9 03/31/2025 10:08:48 71.65, 21.85 67.36 03/31/2025 10:08:34 71.63, 21.84 67.35 2.41 14
10 03/31/2025 10:59:42 -71.67,-170.84 112.64 03/31/2025 10:59:18 -71.66,-170.89 112.64 1.84 24
11 03/31/2025 11:50:44 71.68, -3.57 67.37 03/31/2025 11:50:05 71.69, -3.65 67.39 3.03 39
12 03/31/2025 12:41:38 -71.70, 163.73 112.64 03/31/2025 12:40:48 -71.67, 163.71 112.66 3.21 50
13 03/31/2025 13:32:40 71.72, -28.99 67.37 03/31/2025 13:31:35 71.71, -29.05 67.37 2.25 65
14 03/31/2025 14:23:34 -71.73, 138.31 112.63 03/31/2025 14:22:19 -71.74, 138.22 112.61 3.28 75
15 03/31/2025 15:14:25 72.31, -53.31 67.89 03/31/2025 15:13:16 72.29, -55.52 67.97 74.82 69

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 3/22/2025
SNOs_Map_NOAA-19_NPP_20250322.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 03/22/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP