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: 8/30/2025
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 09/01/2025 17:13:02 80.12,-117.95 74.42 09/01/2025 17:13:59 80.12,-117.94 74.39 0.09 57
2 09/01/2025 18:03:42 -79.98, 50.81 105.84 09/01/2025 18:03:05 -79.98, 50.90 105.84 1.66 37
3 09/03/2025 22:30:14 -80.02, -16.19 105.00 09/03/2025 22:30:06 -80.02, -16.19 104.99 0.14 8
4 09/06/2025 02:56:47 -80.09, -83.53 104.08 09/06/2025 02:57:07 -80.08, -83.41 104.11 2.52 20
5 09/06/2025 03:47:26 79.91, 85.60 75.60 09/06/2025 03:46:13 79.92, 85.55 75.65 1.11 73
6 09/08/2025 07:23:20 -80.16,-150.92 103.15 09/08/2025 07:24:08 -80.15,-150.80 103.19 2.42 48
7 09/08/2025 08:13:58 79.96, 18.50 76.49 09/08/2025 08:13:13 79.97, 18.42 76.52 1.62 45
8 09/10/2025 11:51:12 -81.28, 112.92 97.89 09/10/2025 11:52:25 -81.92, 113.33 97.76 70.59 73
9 09/10/2025 12:40:31 80.04, -48.94 77.44 09/10/2025 12:40:13 80.03, -48.85 77.43 1.87 18

Figure of NPP and PACE satellite orbits during SNOs since TLE Epoch: 8/30/2025
SNOs_Map_NPP_PACE_20250831.jpg

Download SNOs between NPP and PACE since TLE EPOCH: 08/30/2025 in txt file.

Historial Predications of SNOs between NPP and PACE