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: 9/9/2025
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 09/10/2025 11:50:43 -81.16, 124.12 99.47 09/10/2025 11:51:56 -81.54, 125.04 99.42 45.61 73
2 09/10/2025 12:40:30 80.01, -48.61 77.38 09/10/2025 12:40:12 80.02, -48.72 77.40 2.23 18
3 09/12/2025 17:07:02 80.06,-115.76 78.28 09/12/2025 17:07:11 80.06,-115.80 78.28 0.72 9
4 09/14/2025 21:33:34 80.11, 177.07 79.19 09/14/2025 21:34:10 80.11, 177.03 79.17 0.71 36
5 09/14/2025 22:24:15 -79.99, -14.37 101.03 09/14/2025 22:23:17 -79.98, -14.25 101.02 2.34 58
6 09/17/2025 02:00:05 80.13, 110.17 80.05 09/17/2025 02:01:08 80.14, 110.05 80.04 2.33 63
7 09/17/2025 02:50:47 -80.04, -81.53 100.12 09/17/2025 02:50:16 -80.04, -81.47 100.11 1.02 31
8 09/19/2025 07:17:17 -80.04,-148.11 99.30 09/19/2025 07:17:13 -80.04,-148.21 99.29 2.05 4
9 09/21/2025 11:43:50 -80.12, 144.37 98.32 09/21/2025 11:44:12 -80.12, 144.37 98.33 0.19 22
10 09/21/2025 12:34:29 79.96, -46.61 81.39 09/21/2025 12:33:17 79.96, -46.57 81.41 0.94 72
11 09/23/2025 16:10:21 -80.15, 77.44 97.44 09/23/2025 16:11:09 -80.15, 77.44 97.47 0.48 48

Figure of NPP and PACE satellite orbits during SNOs since TLE Epoch: 9/9/2025
SNOs_Map_NPP_PACE_20250910.jpg

Download SNOs between NPP and PACE since TLE EPOCH: 09/09/2025 in txt file.

Historial Predications of SNOs between NPP and PACE