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: 3/12/2025
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 03/15/2025 03:21:47 71.02, 122.19 73.26 03/15/2025 03:22:55 71.08, 124.15 73.21 71.12 68
2 03/15/2025 04:12:34 -71.50, -69.69 106.33 03/15/2025 04:13:47 -71.53, -69.32 106.33 13.52 73
3 03/15/2025 05:03:32 71.62, 97.79 73.78 03/15/2025 05:04:35 71.61, 97.84 73.74 2.36 63
4 03/15/2025 05:54:28 -71.64, -94.91 106.23 03/15/2025 05:55:19 -71.64, -94.90 106.24 0.74 51
5 03/15/2025 06:45:28 71.66, 72.38 73.78 03/15/2025 06:46:06 71.67, 72.35 73.78 1.35 38
6 03/15/2025 07:36:24 -71.67,-120.33 106.23 03/15/2025 07:36:49 -71.65,-120.29 106.26 2.84 25
7 03/15/2025 08:27:24 71.70, 46.97 73.79 03/15/2025 08:27:36 71.68, 46.96 73.77 2.20 12
8 03/15/2025 09:18:20 -71.71,-145.74 106.22 03/15/2025 09:18:20 -71.71,-145.78 106.22 1.28 0
9 03/15/2025 10:09:20 71.74, 21.56 73.79 03/15/2025 10:09:07 71.74, 21.47 73.80 2.96 13
10 03/15/2025 11:00:16 -71.75,-171.16 106.22 03/15/2025 10:59:50 -71.72,-171.17 106.24 2.94 26
11 03/15/2025 11:51:17 71.73, -3.95 73.75 03/15/2025 11:50:37 71.75, -3.92 73.79 3.21 40
12 03/15/2025 12:42:12 -71.79, 163.43 106.21 03/15/2025 12:41:21 -71.79, 163.34 106.20 3.16 51
13 03/15/2025 13:33:13 71.76, -29.36 73.76 03/15/2025 13:32:07 71.76, -29.31 73.77 1.78 66
14 03/15/2025 14:24:07 -71.88, 138.12 106.16 03/15/2025 14:22:53 -71.90, 137.76 106.10 12.71 74
15 03/15/2025 15:14:57 72.41, -53.56 74.32 03/15/2025 15:13:49 72.39, -55.89 74.42 78.09 68

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 3/12/2025
SNOs_Map_NOAA-19_NPP_20250312.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 03/12/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP