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: 7/22/2025
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 07/23/2025 15:53:51 -79.65, 85.70 118.04 07/23/2025 15:54:10 -79.65, 85.65 118.04 0.98 19
2 07/23/2025 16:44:01 78.38, -98.03 59.96 07/23/2025 16:42:48 78.27, -98.71 59.97 19.61 73
3 07/25/2025 20:20:21 -79.77, 18.01 117.36 07/25/2025 20:21:19 -79.77, 18.07 117.39 1.26 58
4 07/25/2025 21:11:00 79.56,-172.83 62.28 07/25/2025 21:10:25 79.56,-172.77 62.29 1.16 35
5 07/28/2025 01:37:30 79.69, 119.47 63.00 07/28/2025 01:37:34 79.68, 119.59 62.98 2.54 4
6 07/30/2025 06:03:59 79.78, 52.01 63.68 07/30/2025 06:04:42 79.77, 52.15 63.64 2.73 43
7 07/30/2025 06:54:34 -79.48,-138.04 116.85 07/30/2025 06:53:44 -79.49,-138.17 116.80 2.84 50
8 08/01/2025 11:21:05 -79.64, 153.99 116.04 08/01/2025 11:20:53 -79.63, 154.09 116.05 2.22 12
9 08/03/2025 15:47:33 -79.70, 86.82 115.36 08/03/2025 15:48:00 -79.70, 86.81 115.38 0.34 27

Figure of NOAA-20 and PACE satellite orbits during SNOs since TLE Epoch: 7/22/2025
SNOs_Map_NOAA-20_PACE_20250722.jpg

Download SNOs between NOAA-20 and PACE since TLE EPOCH: 07/22/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and PACE