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: 6/15/2025
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 06/20/2025 08:08:31 70.29, 51.25 46.93 06/20/2025 08:09:37 70.38, 53.83 46.90 97.03 66
2 06/20/2025 08:59:21 -70.98,-140.34 132.44 06/20/2025 09:00:34 -71.05,-139.97 132.39 15.77 73
3 06/20/2025 09:50:11 71.14, 27.21 47.71 06/20/2025 09:51:21 71.11, 27.24 47.68 2.57 70
4 06/20/2025 10:41:14 -71.16,-165.51 132.27 06/20/2025 10:42:06 -71.16,-165.52 132.28 0.48 52
5 06/20/2025 11:32:07 71.16, 1.77 47.73 06/20/2025 11:32:52 71.17, 1.77 47.73 1.31 45
6 06/20/2025 12:23:10 -71.18, 169.04 132.25 06/20/2025 12:23:36 -71.16, 169.09 132.28 2.61 26
7 06/20/2025 13:14:03 71.18, -23.68 47.75 06/20/2025 13:14:22 71.17, -23.61 47.74 2.50 19
8 06/20/2025 14:05:06 -71.20, 143.60 132.23 06/20/2025 14:05:07 -71.22, 143.62 132.22 2.14 1
9 06/20/2025 14:55:59 71.20, -49.12 47.77 06/20/2025 14:55:53 71.23, -49.08 47.80 3.11 6
10 06/20/2025 15:47:02 -71.22, 118.15 132.21 06/20/2025 15:46:37 -71.22, 118.24 132.21 3.25 25
11 06/20/2025 16:37:54 71.28, -74.47 47.84 06/20/2025 16:37:24 71.28, -74.55 47.86 3.04 30
12 06/20/2025 17:28:57 -71.30, 92.80 132.14 06/20/2025 17:28:08 -71.28, 92.77 132.15 2.42 49
13 06/20/2025 18:19:50 71.30, -99.91 47.86 06/20/2025 18:18:54 71.29, -99.93 47.86 1.59 56
14 06/20/2025 19:10:53 -71.32, 67.36 132.12 06/20/2025 19:09:39 -71.33, 67.30 132.10 2.51 74
15 06/20/2025 20:01:42 71.53,-124.98 48.08 06/20/2025 20:00:29 71.55,-125.77 48.14 28.13 73

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 6/15/2025
SNOs_Map_NOAA-19_NPP_20250615.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 06/15/2025 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP