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: 7/6/2025
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 07/06/2025 13:17:46 79.93, -57.30 59.69 07/06/2025 13:18:16 79.93, -57.28 59.67 0.44 30
2 07/06/2025 14:08:24 -79.73, 111.85 120.67 07/06/2025 14:07:21 -79.74, 111.83 120.64 0.63 63
3 07/08/2025 17:44:15 80.00,-124.66 60.08 07/08/2025 17:45:26 80.00,-124.67 60.05 0.58 71
4 07/08/2025 18:34:53 -79.81, 44.52 120.28 07/08/2025 18:34:31 -79.82, 44.45 120.25 1.56 22
5 07/10/2025 23:01:24 -79.95, -23.42 119.74 07/10/2025 23:01:42 -79.94, -23.27 119.77 2.89 18
6 07/10/2025 23:51:02 77.49, 160.32 56.46 07/10/2025 23:49:49 77.23, 158.88 56.41 45.24 73
7 07/13/2025 03:27:52 -79.99, -90.50 119.34 07/13/2025 03:28:51 -80.00, -90.51 119.36 0.50 59
8 07/13/2025 04:18:32 79.83, 78.45 60.36 07/13/2025 04:17:57 79.82, 78.57 60.35 2.70 35
9 07/15/2025 08:45:00 79.88, 11.36 60.79 07/15/2025 08:45:06 79.89, 11.29 60.80 1.33 6
10 07/17/2025 13:11:29 79.96, -56.05 61.31 07/17/2025 13:12:15 79.96, -56.05 61.29 0.44 46
11 07/17/2025 14:02:07 -79.77, 113.12 119.05 07/17/2025 14:01:20 -79.78, 113.02 119.01 2.06 47

Figure of NPP and PACE satellite orbits during SNOs since TLE Epoch: 7/6/2025
SNOs_Map_NPP_PACE_20250706.jpg

Download SNOs between NPP and PACE since TLE EPOCH: 07/06/2025 in txt file.

Historial Predications of SNOs between NPP and PACE