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: 10/10/2025
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 10/11/2025 05:23:45 -80.20,-121.49 90.76 10/11/2025 05:24:29 -80.20,-121.45 90.78 0.75 44
2 10/11/2025 06:14:25 80.07, 47.31 89.01 10/11/2025 06:13:35 80.07, 47.38 89.02 1.37 50
3 10/13/2025 09:50:14 -80.21, 171.76 89.93 10/13/2025 09:51:19 -80.22, 171.70 89.95 1.19 65
4 10/13/2025 10:40:54 80.08, -19.44 89.83 10/13/2025 10:40:25 80.08, -19.47 89.85 0.59 29
5 10/15/2025 15:07:25 80.15, -86.84 90.76 10/15/2025 15:07:16 80.15, -86.75 90.75 1.59 9
6 10/17/2025 19:33:54 80.17,-153.65 91.58 10/17/2025 19:34:05 80.17,-153.59 91.56 1.20 11
7 10/20/2025 00:00:23 80.19, 139.51 92.39 10/20/2025 00:00:54 80.20, 139.44 92.39 1.65 31
8 10/20/2025 00:51:04 -80.08, -51.89 87.82 10/20/2025 00:50:01 -80.08, -51.84 87.80 0.85 63
9 10/22/2025 04:26:52 80.21, 72.64 93.20 10/22/2025 04:27:42 80.21, 72.62 93.18 0.53 50

Figure of NPP and PACE satellite orbits during SNOs since TLE Epoch: 10/10/2025
SNOs_Map_NPP_PACE_20251010.jpg

Download SNOs between NPP and PACE since TLE EPOCH: 10/10/2025 in txt file.

Historial Predications of SNOs between NPP and PACE