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: 9/20/2025
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 09/21/2025 11:43:49 -80.12, 144.40 98.33 09/21/2025 11:44:11 -80.12, 144.37 98.33 0.87 22
2 09/21/2025 12:34:29 79.98, -46.81 81.43 09/21/2025 12:33:17 79.98, -46.78 81.46 0.64 72
3 09/23/2025 16:10:20 -80.15, 77.45 97.45 09/23/2025 16:11:08 -80.15, 77.37 97.45 1.70 48
4 09/23/2025 17:01:00 80.01,-113.78 82.32 09/23/2025 17:00:14 80.02,-113.80 82.34 0.67 46
5 09/25/2025 20:36:52 -80.21, 10.16 96.50 09/25/2025 20:38:05 -80.20, 10.24 96.55 1.70 73
6 09/25/2025 21:27:32 80.08, 178.93 83.26 09/25/2025 21:27:11 80.07, 179.05 83.25 2.49 21
7 09/28/2025 01:54:02 80.09, 112.21 84.11 09/28/2025 01:54:07 80.10, 112.06 84.13 3.16 5
8 09/30/2025 06:20:35 80.18, 44.54 85.11 09/30/2025 06:21:04 80.18, 44.65 85.09 2.15 29
9 09/30/2025 07:11:14 -80.00,-146.19 95.22 09/30/2025 07:10:10 -80.00,-146.22 95.19 0.51 64
10 10/02/2025 10:47:04 80.17, -21.92 85.91 10/02/2025 10:47:58 80.17, -21.99 85.89 1.44 54
11 10/02/2025 11:37:46 -80.07, 146.45 94.27 10/02/2025 11:37:06 -80.06, 146.57 94.27 2.54 40

Figure of NPP and PACE satellite orbits during SNOs since TLE Epoch: 9/20/2025
SNOs_Map_NPP_PACE_20250921.jpg

Download SNOs between NPP and PACE since TLE EPOCH: 09/20/2025 in txt file.

Historial Predications of SNOs between NPP and PACE