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: 8/20/2025
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 08/21/2025 18:09:34 -79.99, 49.22 109.56 08/21/2025 18:09:38 -79.99, 49.21 109.56 0.40 4
2 08/23/2025 22:36:03 -80.10, -18.53 108.63 08/23/2025 22:36:43 -80.10, -18.41 108.67 2.32 40
3 08/23/2025 23:26:42 79.92, 150.68 71.04 08/23/2025 23:25:49 79.91, 150.75 71.05 1.64 53
4 08/26/2025 03:04:24 -81.04,-127.65 101.47 08/26/2025 03:05:36 -81.92,-128.23 101.33 98.12 72
5 08/26/2025 03:53:10 80.01, 83.18 71.93 08/26/2025 03:52:53 80.00, 83.31 71.92 2.59 17
6 08/28/2025 08:19:37 80.07, 15.96 72.79 08/28/2025 08:19:56 80.06, 16.07 72.76 2.31 19
7 08/28/2025 09:09:53 -79.16,-168.70 108.79 08/28/2025 09:08:39 -79.02,-169.18 108.82 18.15 74
8 08/30/2025 12:46:04 80.13, -51.28 73.66 08/30/2025 12:46:59 80.13, -51.24 73.63 0.77 55
9 08/30/2025 13:36:44 -79.99, 117.51 106.60 08/30/2025 13:36:05 -79.98, 117.63 106.60 2.55 39

Figure of NPP and PACE satellite orbits during SNOs since TLE Epoch: 8/20/2025
SNOs_Map_NPP_PACE_20250823.jpg

Download SNOs between NPP and PACE since TLE EPOCH: 08/20/2025 in txt file.

Historial Predications of SNOs between NPP and PACE