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: 3/3/2025
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 71.10, 124.11 73.23 70.06 68
2 03/15/2025 04:12:34 -71.50, -69.67 106.33 03/15/2025 04:13:47 -71.54, -69.34 106.32 12.51 73
3 03/15/2025 05:03:32 71.62, 97.80 73.77 03/15/2025 05:04:35 71.63, 97.81 73.77 0.85 63
4 03/15/2025 05:54:28 -71.64, -94.90 106.23 03/15/2025 05:55:19 -71.65, -94.92 106.23 1.26 51
5 03/15/2025 06:45:28 71.66, 72.39 73.78 03/15/2025 06:46:05 71.64, 72.41 73.75 2.49 37
6 03/15/2025 07:36:24 -71.68,-120.31 106.22 03/15/2025 07:36:49 -71.66,-120.31 106.24 1.99 25
7 03/15/2025 08:27:24 71.70, 46.97 73.79 03/15/2025 08:27:36 71.70, 46.93 73.79 1.71 12
8 03/15/2025 09:18:20 -71.72,-145.72 106.22 03/15/2025 09:18:20 -71.73,-145.80 106.21 2.62 0
9 03/15/2025 10:09:20 71.74, 21.56 73.79 03/15/2025 10:09:06 71.71, 21.53 73.77 2.95 14
10 03/15/2025 11:00:16 -71.76,-171.14 106.21 03/15/2025 10:59:50 -71.74,-171.19 106.22 2.97 26
11 03/15/2025 11:51:17 71.73, -3.95 73.75 03/15/2025 11:50:36 71.72, -3.86 73.76 3.04 41
12 03/15/2025 12:42:13 -71.74, 163.35 106.25 03/15/2025 12:41:20 -71.75, 163.42 106.24 2.28 53
13 03/15/2025 13:33:13 71.76, -29.36 73.76 03/15/2025 13:32:07 71.79, -29.35 73.79 2.45 66
14 03/15/2025 14:24:07 -71.88, 138.14 106.15 03/15/2025 14:22:53 -71.91, 137.74 106.09 14.09 74
15 03/15/2025 15:14:57 72.41, -53.56 74.32 03/15/2025 15:13:49 72.41, -55.93 74.44 79.49 68

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 3/3/2025
SNOs_Map_NOAA-19_NPP_20250303.jpg

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

Historial Predications of SNOs between NOAA-19 and NPP