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: 9/16/2025
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 09/17/2025 02:00:06 80.15, 109.96 80.09 09/17/2025 02:01:09 80.16, 109.84 80.08 2.48 63
2 09/17/2025 02:50:47 -80.04, -81.47 100.13 09/17/2025 02:50:16 -80.04, -81.44 100.12 0.63 31
3 09/19/2025 07:17:18 -80.06,-148.37 99.26 09/19/2025 07:17:14 -80.07,-148.46 99.24 2.04 4
4 09/21/2025 11:43:50 -80.12, 144.41 98.33 09/21/2025 11:44:12 -80.11, 144.44 98.34 0.59 22
5 09/21/2025 12:34:29 79.98, -46.83 81.43 09/21/2025 12:33:17 79.98, -46.74 81.45 1.75 72
6 09/23/2025 16:10:21 -80.17, 77.16 97.39 09/23/2025 16:11:09 -80.17, 77.25 97.43 1.79 48
7 09/23/2025 17:01:01 80.04,-114.09 82.37 09/23/2025 17:00:15 80.04,-113.96 82.37 2.68 46
8 09/25/2025 20:37:12 -80.68, 3.64 95.43 09/25/2025 20:38:25 -80.81, 4.27 95.45 18.08 73
9 09/25/2025 21:27:32 80.08, 178.92 83.26 09/25/2025 21:27:12 80.07, 179.03 83.25 2.28 20
10 09/28/2025 01:54:03 80.11, 111.91 84.16 09/28/2025 01:54:09 80.11, 111.93 84.15 0.51 6
11 09/30/2025 06:20:33 80.13, 45.18 85.00 09/30/2025 06:21:05 80.13, 45.05 85.01 2.61 32

Figure of NPP and PACE satellite orbits during SNOs since TLE Epoch: 9/16/2025
SNOs_Map_NPP_PACE_20250917.jpg

Download SNOs between NPP and PACE since TLE EPOCH: 09/16/2025 in txt file.

Historial Predications of SNOs between NPP and PACE