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: 8/18/2025
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 08/19/2025 12:52:29 80.11, -52.74 69.96 08/19/2025 12:53:30 80.11, -52.66 69.92 1.67 61
2 08/19/2025 13:43:08 -79.96, 116.20 110.34 08/19/2025 13:42:35 -79.95, 116.32 110.34 2.52 33
3 08/21/2025 18:09:35 -80.01, 49.08 109.53 08/21/2025 18:09:39 -80.01, 49.06 109.53 0.29 4
4 08/23/2025 22:36:03 -80.09, -18.37 108.66 08/23/2025 22:36:43 -80.08, -18.27 108.70 2.13 40
5 08/23/2025 23:26:43 79.94, 150.52 71.07 08/23/2025 23:25:50 79.93, 150.58 71.08 1.23 53
6 08/26/2025 03:04:20 -81.10,-125.96 101.72 08/26/2025 03:05:32 -81.95,-126.29 101.60 94.27 72
7 08/26/2025 03:53:10 79.99, 83.33 71.91 08/26/2025 03:52:53 79.99, 83.42 71.90 2.03 17
8 08/28/2025 08:19:37 80.05, 16.11 72.76 08/28/2025 08:19:56 80.04, 16.18 72.74 1.51 19
9 08/28/2025 09:09:50 -79.03,-167.81 108.99 08/28/2025 09:08:36 -78.88,-168.37 109.03 20.96 74
10 08/30/2025 12:46:04 80.11, -51.12 73.64 08/30/2025 12:46:59 80.11, -51.14 73.61 0.43 55

Figure of NPP and PACE satellite orbits during SNOs since TLE Epoch: 8/18/2025
SNOs_Map_NPP_PACE_20250818.jpg

Download SNOs between NPP and PACE since TLE EPOCH: 08/18/2025 in txt file.

Historial Predications of SNOs between NPP and PACE