Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and PACE Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 11/14/2025
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (PACE) Time (PACE) Lat,Lon (PACE) SZA (PACE ) Distance(km) Time Diff (sec)
1 11/14/2025 20:20:51 -79.88, 16.89 80.06 11/14/2025 20:20:41 -79.89, 16.80 80.05 1.96 10
2 11/17/2025 00:47:22 -79.90, -49.92 79.48 11/17/2025 00:47:21 -79.90, -49.94 79.48 0.47 1
3 11/19/2025 05:13:52 -79.90,-116.49 78.96 11/19/2025 05:14:00 -79.90,-116.63 78.95 2.79 8
4 11/21/2025 09:40:23 -79.93, 176.60 78.41 11/21/2025 09:40:39 -79.94, 176.46 78.39 2.85 16
5 11/23/2025 14:06:54 -79.96, 109.64 77.87 11/23/2025 14:07:17 -79.96, 109.61 77.88 0.62 23
6 11/23/2025 14:57:35 79.83, -81.71 101.90 11/23/2025 14:56:24 79.82, -81.59 101.91 2.58 71
7 11/25/2025 18:33:24 -79.97, 42.94 77.41 11/25/2025 18:33:54 -79.98, 42.83 77.41 2.28 30
8 11/25/2025 19:24:05 79.84,-148.44 102.36 11/25/2025 19:23:01 79.83,-148.39 102.38 0.93 64
9 11/27/2025 22:59:54 -79.98, -23.82 76.97 11/27/2025 23:00:30 -79.98, -23.90 76.98 1.66 36

Figure of NOAA-20 and PACE satellite orbits during SNOs since TLE Epoch: 11/14/2025
SNOs_Map_NOAA-20_PACE_20251115.jpg

Download SNOs between NOAA-20 and PACE since TLE EPOCH: 11/14/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and PACE