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: 3/21/2025
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, 122.59 66.87 03/31/2025 03:22:25 71.02, 124.40 66.81 65.50 69
2 03/31/2025 04:12:03 -71.37, -69.46 112.80 03/31/2025 04:13:16 -71.42, -68.96 112.79 18.26 73
3 03/31/2025 05:03:02 71.54, 98.10 67.35 03/31/2025 05:04:05 71.56, 98.09 67.35 1.81 63
4 03/31/2025 05:53:56 -71.56, -94.60 112.66 03/31/2025 05:54:48 -71.53, -94.55 112.69 3.24 52
5 03/31/2025 06:44:58 71.58, 72.68 67.35 03/31/2025 06:45:35 71.57, 72.70 67.34 0.86 37
6 03/31/2025 07:35:52 -71.59,-120.02 112.65 03/31/2025 07:36:19 -71.60,-120.04 112.65 0.96 27
7 03/31/2025 08:26:54 71.61, 47.25 67.35 03/31/2025 08:27:05 71.58, 47.30 67.32 3.18 11
8 03/31/2025 09:17:47 -71.63,-145.44 112.65 03/31/2025 09:17:48 -71.61,-145.43 112.67 1.57 1
9 03/31/2025 10:08:49 71.64, 21.83 67.36 03/31/2025 10:08:35 71.65, 21.81 67.37 1.17 14
10 03/31/2025 10:59:43 -71.66,-170.86 112.65 03/31/2025 10:59:19 -71.68,-170.92 112.62 2.92 24
11 03/31/2025 11:50:45 71.68, -3.59 67.36 03/31/2025 11:50:05 71.66, -3.59 67.35 1.64 40
12 03/31/2025 12:41:39 -71.69, 163.72 112.64 03/31/2025 12:40:49 -71.69, 163.68 112.64 1.48 50
13 03/31/2025 13:32:41 71.71, -29.01 67.36 03/31/2025 13:31:36 71.73, -29.08 67.39 3.25 65
14 03/31/2025 14:23:35 -71.73, 138.30 112.64 03/31/2025 14:22:20 -71.75, 138.19 112.60 4.95 75
15 03/31/2025 15:14:26 72.30, -53.33 67.88 03/31/2025 15:13:17 72.31, -55.56 67.99 75.48 69

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 3/21/2025
SNOs_Map_NOAA-19_NPP_20250321.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 03/21/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP