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: 3/15/2025
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 05:03:32 71.62, 97.78 73.77 03/15/2025 05:04:35 71.61, 97.83 73.75 1.98 63
2 03/15/2025 05:54:28 -71.63, -94.94 106.24 03/15/2025 05:55:19 -71.65, -94.91 106.23 2.77 51
3 03/15/2025 06:45:28 71.65, 72.36 73.77 03/15/2025 06:46:06 71.68, 72.35 73.79 2.43 38
4 03/15/2025 07:36:24 -71.66,-120.35 106.24 03/15/2025 07:36:49 -71.66,-120.31 106.25 1.66 25
5 03/15/2025 08:27:24 71.69, 46.95 73.78 03/15/2025 08:27:36 71.69, 46.95 73.77 0.73 12
6 03/15/2025 09:18:20 -71.70,-145.77 106.23 03/15/2025 09:18:20 -71.72,-145.79 106.21 2.51 0
7 03/15/2025 10:09:20 71.73, 21.54 73.79 03/15/2025 10:09:07 71.75, 21.47 73.81 3.22 13
8 03/15/2025 11:00:16 -71.74,-171.18 106.23 03/15/2025 10:59:50 -71.73,-171.19 106.23 0.69 26
9 03/15/2025 11:51:16 71.77, -3.87 73.79 03/15/2025 11:50:37 71.76, -3.93 73.79 2.19 39
10 03/15/2025 12:42:12 -71.77, 163.41 106.22 03/15/2025 12:41:21 -71.79, 163.33 106.19 3.46 51
11 03/15/2025 13:33:13 71.75, -29.38 73.75 03/15/2025 13:32:07 71.77, -29.32 73.78 2.63 66
12 03/15/2025 14:24:07 -71.86, 138.09 106.17 03/15/2025 14:22:52 -71.85, 137.84 106.15 8.81 75
13 03/15/2025 15:14:57 72.40, -53.59 74.31 03/15/2025 15:13:49 72.39, -55.90 74.43 77.66 68

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 3/15/2025
SNOs_Map_NOAA-19_NPP_20250315.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 03/15/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP