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: 9/26/2025
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 09/28/2025 01:54:02 80.09, 112.15 84.12 09/28/2025 01:54:06 80.10, 112.06 84.13 1.71 4
2 09/30/2025 06:20:33 80.14, 45.04 85.03 09/30/2025 06:21:01 80.14, 44.98 85.02 1.20 28
3 09/30/2025 07:11:14 -80.02,-146.35 95.19 09/30/2025 07:10:08 -80.01,-146.23 95.19 2.45 66
4 10/02/2025 10:47:05 80.21, -22.43 86.00 10/02/2025 10:47:56 80.21, -22.31 85.96 2.24 51
5 10/02/2025 11:37:44 -80.04, 146.82 94.33 10/02/2025 11:37:02 -80.04, 146.79 94.31 0.65 42
6 10/04/2025 15:14:06 80.91, -99.83 88.53 10/04/2025 15:15:19 81.14, -99.13 88.56 28.23 73
7 10/04/2025 16:04:15 -80.09, 79.65 93.41 10/04/2025 16:03:56 -80.09, 79.61 93.40 0.96 19
8 10/06/2025 20:30:46 -80.14, 12.42 92.49 10/06/2025 20:30:49 -80.14, 12.51 92.50 1.72 3
9 10/09/2025 00:57:16 -80.18, -54.55 91.62 10/09/2025 00:57:41 -80.18, -54.51 91.63 0.70 25

Figure of NPP and PACE satellite orbits during SNOs since TLE Epoch: 9/26/2025
SNOs_Map_NPP_PACE_20250927.jpg

Download SNOs between NPP and PACE since TLE EPOCH: 09/26/2025 in txt file.

Historial Predications of SNOs between NPP and PACE