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: 8/29/2025
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 08/30/2025 12:46:29 80.06, -50.67 73.53 08/30/2025 12:46:57 80.06, -50.70 73.52 0.61 28
2 08/30/2025 13:37:09 -79.92, 118.05 106.72 08/30/2025 13:36:03 -79.92, 118.09 106.70 0.78 66
3 09/01/2025 17:13:02 80.12,-117.97 74.42 09/01/2025 17:13:59 80.12,-117.95 74.39 0.52 57
4 09/01/2025 18:03:42 -79.99, 50.80 105.84 09/01/2025 18:03:05 -79.98, 50.90 105.84 2.15 37
5 09/03/2025 22:30:15 -80.05, -16.49 104.94 09/03/2025 22:30:07 -80.05, -16.43 104.94 1.33 8
6 09/06/2025 02:56:46 -80.06, -83.22 104.14 09/06/2025 02:57:07 -80.06, -83.31 104.13 1.85 21
7 09/06/2025 03:47:27 79.94, 85.31 75.66 09/06/2025 03:46:14 79.94, 85.37 75.68 1.09 73
8 09/08/2025 07:23:19 -80.13,-150.58 103.21 09/08/2025 07:24:08 -80.13,-150.61 103.23 0.77 49
9 09/08/2025 08:13:59 79.99, 18.23 76.53 09/08/2025 08:13:14 79.98, 18.32 76.54 1.77 45
10 09/10/2025 12:40:31 80.03, -48.87 77.42 09/10/2025 12:40:14 80.03, -48.86 77.43 0.24 17

Figure of NPP and PACE satellite orbits during SNOs since TLE Epoch: 8/29/2025
SNOs_Map_NPP_PACE_20250830.jpg

Download SNOs between NPP and PACE since TLE EPOCH: 08/29/2025 in txt file.

Historial Predications of SNOs between NPP and PACE