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: 3/31/2025
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 05:03:07 71.22, 97.50 67.05 03/31/2025 05:04:18 71.23, 98.58 67.00 38.72 71
2 03/31/2025 05:53:55 -71.53, -94.65 112.68 03/31/2025 05:55:07 -71.53, -94.62 112.70 1.11 72
3 03/31/2025 06:44:57 71.56, 72.64 67.34 03/31/2025 06:45:54 71.54, 72.66 67.30 2.42 57
4 03/31/2025 07:35:51 -71.57,-120.07 112.68 03/31/2025 07:36:38 -71.58,-120.08 112.68 1.06 47
5 03/31/2025 08:26:53 71.59, 47.22 67.34 03/31/2025 08:27:25 71.59, 47.20 67.33 1.01 32
6 03/31/2025 09:17:47 -71.60,-145.49 112.67 03/31/2025 09:18:09 -71.62,-145.54 112.65 3.19 22
7 03/31/2025 10:08:49 71.63, 21.80 67.34 03/31/2025 10:08:56 71.64, 21.74 67.35 2.38 7
8 03/31/2025 10:59:43 -71.63,-170.91 112.67 03/31/2025 10:59:39 -71.62,-170.91 112.68 1.62 4
9 03/31/2025 11:50:45 71.66, -3.62 67.35 03/31/2025 11:50:26 71.63, -3.63 67.32 3.22 19
10 03/31/2025 12:41:39 -71.67, 163.67 112.67 03/31/2025 12:41:10 -71.67, 163.62 112.66 1.59 29
11 03/31/2025 13:32:41 71.69, -29.04 67.35 03/31/2025 13:31:57 71.68, -29.09 67.34 2.44 44
12 03/31/2025 14:23:35 -71.70, 138.25 112.66 03/31/2025 14:22:41 -71.72, 138.16 112.64 3.46 54
13 03/31/2025 15:14:38 71.68, -54.56 67.31 03/31/2025 15:13:27 71.68, -54.46 67.31 3.31 71
14 03/31/2025 16:05:28 -71.89, 113.12 112.52 03/31/2025 16:04:14 -71.87, 112.51 112.50 21.37 74
15 03/31/2025 16:56:19 72.47, -78.47 68.02 03/31/2025 16:55:12 72.44, -81.30 68.11 95.24 67

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 3/31/2025
SNOs_Map_NOAA-19_NPP_20250331.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 03/31/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP