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: 7/3/2025
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 07/03/2025 20:32:43 -79.64, 16.06 121.05 07/03/2025 20:33:24 -79.64, 16.00 121.06 1.53 41
2 07/03/2025 21:23:21 79.38,-174.51 58.52 07/03/2025 21:22:28 79.38,-174.55 58.54 0.74 53
3 07/06/2025 01:49:55 79.49, 117.96 58.92 07/06/2025 01:49:39 79.49, 117.93 58.93 0.62 16
4 07/08/2025 06:16:29 79.60, 50.40 59.36 07/08/2025 06:16:50 79.61, 50.33 59.36 1.60 21
5 07/08/2025 07:07:05 -79.33,-140.04 121.11 07/08/2025 07:05:53 -79.33,-140.13 121.07 1.97 72
6 07/10/2025 10:43:04 79.75, -17.48 59.89 07/10/2025 10:44:01 79.74, -17.35 59.84 2.82 57
7 07/10/2025 11:33:41 -79.51, 151.89 120.53 07/10/2025 11:33:05 -79.51, 151.97 120.53 1.85 36
8 07/12/2025 16:00:13 -79.56, 84.86 120.14 07/12/2025 16:00:14 -79.57, 84.77 120.13 1.88 1
9 07/14/2025 20:26:47 -79.67, 17.25 119.61 07/14/2025 20:27:24 -79.67, 17.24 119.63 0.31 37
10 07/14/2025 21:17:27 79.49,-173.89 60.08 07/14/2025 21:16:30 79.49,-173.77 60.09 2.54 57
11 07/17/2025 00:53:20 -79.75, -50.10 119.11 07/17/2025 00:54:33 -79.75, -50.09 119.14 0.25 73

Figure of NOAA-20 and PACE satellite orbits during SNOs since TLE Epoch: 7/3/2025
SNOs_Map_NOAA-20_PACE_20250703.jpg

Download SNOs between NOAA-20 and PACE since TLE EPOCH: 07/03/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and PACE