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: 6/20/2025
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 06/20/2025 08:08:31 70.32, 51.30 46.96 06/20/2025 08:09:37 70.34, 53.88 46.86 96.70 66
2 06/20/2025 08:59:21 -71.01,-140.30 132.41 06/20/2025 09:00:35 -71.08,-140.01 132.37 13.10 74
3 06/20/2025 09:50:12 71.11, 27.17 47.69 06/20/2025 09:51:22 71.13, 27.21 47.69 2.39 70
4 06/20/2025 10:41:15 -71.13,-165.56 132.30 06/20/2025 10:42:06 -71.13,-165.47 132.31 3.05 51
5 06/20/2025 11:32:07 71.19, 1.82 47.76 06/20/2025 11:32:53 71.19, 1.74 47.75 2.95 46
6 06/20/2025 12:23:10 -71.21, 169.09 132.23 06/20/2025 12:23:37 -71.19, 169.06 132.25 2.26 27
7 06/20/2025 13:14:03 71.21, -23.62 47.78 06/20/2025 13:14:23 71.19, -23.64 47.76 2.30 20
8 06/20/2025 14:05:06 -71.23, 143.64 132.21 06/20/2025 14:05:08 -71.24, 143.59 132.19 2.76 2
9 06/20/2025 14:55:59 71.23, -49.06 47.80 06/20/2025 14:55:54 71.25, -49.11 47.82 2.25 5
10 06/20/2025 15:47:02 -71.25, 118.20 132.19 06/20/2025 15:46:38 -71.25, 118.20 132.19 0.34 24
11 06/20/2025 16:37:55 71.26, -74.51 47.82 06/20/2025 16:37:24 71.25, -74.49 47.82 0.85 31
12 06/20/2025 17:28:58 -71.27, 92.76 132.17 06/20/2025 17:28:08 -71.25, 92.82 132.18 3.38 50
13 06/20/2025 18:19:51 71.28, -99.95 47.84 06/20/2025 18:18:55 71.31, -99.96 47.88 3.03 56
14 06/20/2025 19:10:53 -71.29, 67.31 132.15 06/20/2025 19:09:38 -71.31, 67.35 132.13 1.95 75
15 06/20/2025 20:01:41 71.56,-124.92 48.10 06/20/2025 20:00:28 71.52,-125.71 48.10 28.20 73

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 6/20/2025
SNOs_Map_NOAA-19_NPP_20250620.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 06/20/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP