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: 3/20/2025
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 70.99, 122.58 66.87 03/31/2025 03:22:25 71.04, 124.37 66.83 65.07 69
2 03/31/2025 04:12:03 -71.37, -69.47 112.81 03/31/2025 04:13:16 -71.43, -68.99 112.77 18.48 73
3 03/31/2025 05:03:02 71.53, 98.08 67.34 03/31/2025 05:04:04 71.52, 98.16 67.31 2.91 62
4 03/31/2025 05:53:56 -71.55, -94.61 112.66 03/31/2025 05:54:48 -71.55, -94.57 112.68 1.29 52
5 03/31/2025 06:44:58 71.57, 72.66 67.34 03/31/2025 06:45:35 71.59, 72.67 67.35 2.03 37
6 03/31/2025 07:35:52 -71.59,-120.03 112.66 03/31/2025 07:36:19 -71.61,-120.06 112.64 3.24 27
7 03/31/2025 08:26:54 71.60, 47.24 67.35 03/31/2025 08:27:05 71.60, 47.27 67.34 0.93 11
8 03/31/2025 09:17:48 -71.62,-145.45 112.66 03/31/2025 09:17:49 -71.63,-145.46 112.65 0.81 1
9 03/31/2025 10:08:50 71.64, 21.82 67.35 03/31/2025 10:08:35 71.61, 21.87 67.33 3.07 15
10 03/31/2025 10:59:44 -71.65,-170.87 112.65 03/31/2025 10:59:19 -71.64,-170.86 112.66 1.64 25
11 03/31/2025 11:50:46 71.67, -3.60 67.35 03/31/2025 11:50:06 71.68, -3.62 67.37 1.21 40
12 03/31/2025 12:41:40 -71.69, 163.71 112.65 03/31/2025 12:40:50 -71.70, 163.65 112.62 2.77 50
13 03/31/2025 13:32:42 71.70, -29.02 67.36 03/31/2025 13:31:36 71.69, -29.02 67.36 1.38 66
14 03/31/2025 14:23:35 -71.77, 138.39 112.60 03/31/2025 14:22:21 -71.77, 138.16 112.58 7.93 74
15 03/31/2025 15:14:26 72.35, -53.24 67.93 03/31/2025 15:13:18 72.32, -55.59 68.01 79.56 68

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 3/20/2025
SNOs_Map_NOAA-19_NPP_20250320.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 03/20/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP