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: 6/24/2025
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 06/25/2025 13:23:59 79.81, -57.78 58.67 06/25/2025 13:24:09 79.81, -57.84 58.67 1.12 10
2 06/27/2025 17:50:28 79.88,-125.03 58.89 06/27/2025 17:51:20 79.88,-125.18 58.89 3.07 52
3 06/27/2025 18:41:07 -79.70, 43.91 121.43 06/27/2025 18:40:26 -79.71, 43.77 121.39 2.78 41
4 06/29/2025 23:07:38 -79.84, -23.92 121.06 06/29/2025 23:07:38 -79.83, -23.89 121.07 0.65 0
5 07/02/2025 03:34:09 -79.96, -91.79 120.66 07/02/2025 03:34:50 -79.96, -91.64 120.70 3.12 41
6 07/02/2025 04:24:46 79.71, 77.93 58.88 07/02/2025 04:23:54 79.72, 77.84 58.92 1.82 52
7 07/04/2025 08:51:16 79.82, 10.36 59.26 07/04/2025 08:51:05 79.82, 10.35 59.27 0.29 11
8 07/06/2025 13:17:46 79.92, -57.24 59.67 07/06/2025 13:18:16 79.92, -57.21 59.65 0.52 30

Figure of NPP and PACE satellite orbits during SNOs since TLE Epoch: 6/24/2025
SNOs_Map_NPP_PACE_20250624.jpg

Download SNOs between NPP and PACE since TLE EPOCH: 06/24/2025 in txt file.

Historial Predications of SNOs between NPP and PACE