Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and PACE Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 3/15/2025
Index Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Date (PACE) Time (PACE) Lat,Lon (PACE) SZA (PACE ) Distance(km) Time Diff (sec)
1 03/16/2025 05:39:25 -79.92,-122.92 96.10 03/16/2025 05:39:54 -79.92,-122.86 96.13 1.34 29
2 03/16/2025 06:30:04 79.72, 46.32 83.52 03/16/2025 06:29:00 79.72, 46.30 83.55 0.36 64
3 03/18/2025 10:56:30 79.82, -21.25 82.83 03/18/2025 10:56:32 79.83, -21.37 82.85 2.51 2
4 03/20/2025 15:22:57 79.96, -89.18 82.21 03/20/2025 15:24:04 79.97, -89.31 82.20 2.66 67
5 03/20/2025 16:13:35 -79.77, 79.94 98.16 03/20/2025 16:13:09 -79.78, 79.85 98.13 1.76 26
6 03/22/2025 20:40:02 -79.92, 11.99 98.77 03/22/2025 20:40:40 -79.92, 11.95 98.79 0.62 38
7 03/22/2025 21:30:41 79.72,-178.81 80.86 03/22/2025 21:29:46 79.72,-178.87 80.89 1.10 55
8 03/25/2025 01:57:09 79.90, 112.88 80.31 03/25/2025 01:57:17 79.89, 113.00 80.29 2.53 8
9 03/27/2025 06:23:35 80.02, 45.07 79.67 03/27/2025 06:24:46 80.02, 45.15 79.63 1.65 71

Figure of NPP and PACE satellite orbits during SNOs since TLE Epoch: 3/15/2025
SNOs_Map_NPP_PACE_20250315.jpg

Download SNOs between NPP and PACE since TLE EPOCH: 03/15/2025 in txt file.

Historial Predications of SNOs between NPP and PACE