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: 8/4/2025
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 08/04/2025 04:05:55 79.92, 80.81 65.11 08/04/2025 04:05:41 79.92, 80.83 65.11 0.57 14
2 08/06/2025 08:32:24 80.02, 13.19 65.88 08/06/2025 08:32:48 80.02, 13.27 65.86 1.57 24
3 08/06/2025 09:23:03 -79.87,-177.96 114.40 08/06/2025 09:21:53 -79.86,-177.82 114.39 2.79 70
4 08/08/2025 12:58:51 80.06, -53.85 66.56 08/08/2025 12:59:53 80.05, -53.80 66.52 1.28 62
5 08/08/2025 13:49:31 -79.94, 114.73 113.67 08/08/2025 13:48:59 -79.94, 114.85 113.67 2.33 32
6 08/10/2025 18:15:58 -79.98, 47.70 112.97 08/10/2025 18:16:04 -79.98, 47.73 112.97 0.55 6
7 08/12/2025 22:42:25 -80.03, -19.35 112.24 08/12/2025 22:43:09 -80.03, -19.48 112.24 2.54 44
8 08/12/2025 23:33:05 79.87, 149.58 67.47 08/12/2025 23:32:16 79.88, 149.44 67.52 3.08 49
9 08/15/2025 03:59:33 79.95, 82.19 68.28 08/15/2025 03:59:21 79.95, 82.14 68.29 1.07 12
10 08/17/2025 08:26:01 80.03, 14.77 69.10 08/17/2025 08:26:26 80.03, 14.75 69.09 0.43 25

Figure of NPP and PACE satellite orbits during SNOs since TLE Epoch: 8/4/2025
SNOs_Map_NPP_PACE_20250804.jpg

Download SNOs between NPP and PACE since TLE EPOCH: 08/04/2025 in txt file.

Historial Predications of SNOs between NPP and PACE