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: 9/11/2025
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 09/12/2025 17:07:02 80.06,-115.82 78.29 09/12/2025 17:07:11 80.07,-115.87 78.29 1.09 9
2 09/14/2025 21:33:34 80.11, 177.00 79.20 09/14/2025 21:34:10 80.12, 176.95 79.19 1.16 36
3 09/14/2025 22:24:15 -80.00, -14.44 101.02 09/14/2025 22:23:17 -79.99, -14.35 101.01 1.80 58
4 09/17/2025 02:00:05 80.14, 110.11 80.06 09/17/2025 02:01:08 80.15, 109.98 80.05 2.66 63
5 09/17/2025 02:50:46 -80.02, -81.30 100.16 09/17/2025 02:50:15 -80.02, -81.27 100.15 0.58 31
6 09/19/2025 07:17:17 -80.05,-148.18 99.29 09/19/2025 07:17:13 -80.05,-148.29 99.28 2.16 4
7 09/21/2025 11:43:50 -80.13, 144.31 98.31 09/21/2025 11:44:12 -80.13, 144.32 98.32 0.34 22
8 09/21/2025 12:34:29 79.97, -46.66 81.40 09/21/2025 12:33:17 79.96, -46.61 81.42 1.21 72
9 09/23/2025 16:10:22 -80.18, 77.07 97.38 09/23/2025 16:11:10 -80.18, 77.13 97.40 1.12 48
10 09/23/2025 17:01:01 80.03,-113.90 82.34 09/23/2025 17:00:15 80.02,-113.82 82.34 1.78 46
11 09/25/2025 20:37:07 -80.56, 5.59 95.74 09/25/2025 20:38:21 -80.67, 5.78 95.71 13.11 74

Figure of NPP and PACE satellite orbits during SNOs since TLE Epoch: 9/11/2025
SNOs_Map_NPP_PACE_20250912.jpg

Download SNOs between NPP and PACE since TLE EPOCH: 09/11/2025 in txt file.

Historial Predications of SNOs between NPP and PACE