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: 9/13/2025
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 09/14/2025 21:33:34 80.12, 176.98 79.20 09/14/2025 21:34:10 80.12, 176.93 79.19 1.00 36
2 09/14/2025 22:24:15 -80.00, -14.48 101.01 09/14/2025 22:23:17 -80.00, -14.38 101.00 1.90 58
3 09/17/2025 02:00:05 80.14, 110.09 80.07 09/17/2025 02:01:08 80.15, 109.98 80.05 2.16 63
4 09/17/2025 02:50:46 -80.02, -81.34 100.15 09/17/2025 02:50:15 -80.02, -81.29 100.15 0.98 31
5 09/19/2025 07:17:17 -80.05,-148.21 99.29 09/19/2025 07:17:13 -80.05,-148.28 99.28 1.28 4
6 09/21/2025 11:43:50 -80.13, 144.28 98.30 09/21/2025 11:44:12 -80.12, 144.36 98.33 1.76 22
7 09/21/2025 12:34:30 80.00, -46.98 81.46 09/21/2025 12:33:18 79.99, -46.84 81.47 2.84 72
8 09/23/2025 16:10:20 -80.13, 77.66 97.48 09/23/2025 16:11:09 -80.14, 77.51 97.48 3.05 49
9 09/23/2025 17:01:00 80.00,-113.61 82.29 09/23/2025 17:00:15 80.01,-113.72 82.32 2.25 45
10 09/25/2025 20:37:23 -80.88, 0.04 94.88 09/25/2025 20:38:36 -81.08, 0.83 94.87 26.99 73

Figure of NPP and PACE satellite orbits during SNOs since TLE Epoch: 9/13/2025
SNOs_Map_NPP_PACE_20250914.jpg

Download SNOs between NPP and PACE since TLE EPOCH: 09/13/2025 in txt file.

Historial Predications of SNOs between NPP and PACE