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: 6/28/2025
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 06/29/2025 23:07:38 -79.84, -23.97 121.05 06/29/2025 23:07:38 -79.84, -23.93 121.06 0.87 0
2 07/02/2025 03:34:06 -79.88, -90.97 120.82 07/02/2025 03:34:48 -79.89, -91.10 120.82 2.77 42
3 07/02/2025 04:24:46 79.72, 77.90 58.89 07/02/2025 04:23:54 79.72, 77.85 58.92 0.95 52
4 07/04/2025 08:51:17 79.85, 10.03 59.33 07/04/2025 08:51:06 79.85, 10.09 59.32 1.21 11
5 07/06/2025 13:17:47 79.95, -57.59 59.74 07/06/2025 13:18:17 79.95, -57.46 59.71 2.54 30
6 07/06/2025 14:08:25 -79.76, 111.62 120.63 07/06/2025 14:07:22 -79.75, 111.71 120.61 1.93 63
7 07/08/2025 17:44:16 80.03,-124.95 60.13 07/08/2025 17:45:27 80.02,-124.80 60.07 3.05 71
8 07/08/2025 18:34:54 -79.84, 44.29 120.23 07/08/2025 18:34:32 -79.83, 44.39 120.24 2.19 22
9 07/10/2025 23:01:23 -79.91, -23.06 119.81 07/10/2025 23:01:42 -79.90, -22.99 119.83 1.63 19

Figure of NPP and PACE satellite orbits during SNOs since TLE Epoch: 6/28/2025
SNOs_Map_NPP_PACE_20250628.jpg

Download SNOs between NPP and PACE since TLE EPOCH: 06/28/2025 in txt file.

Historial Predications of SNOs between NPP and PACE