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: 1/18/2025
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 01/20/2025 05:20:54 79.97, 61.21 102.37 01/20/2025 05:21:47 79.96, 61.28 102.33 1.26 53
2 01/20/2025 06:11:32 -79.75,-129.41 78.04 01/20/2025 06:10:50 -79.76,-129.42 78.01 0.55 42
3 01/22/2025 09:47:18 79.88, -4.54 101.74 01/22/2025 09:47:40 79.88, -4.55 101.73 0.11 22
4 01/22/2025 10:37:55 -79.63, 165.08 78.73 01/22/2025 10:36:42 -79.63, 164.98 78.68 2.13 73
5 01/24/2025 14:13:43 79.83, -70.64 101.14 01/24/2025 14:13:33 79.82, -70.58 101.13 1.41 10
6 01/26/2025 17:49:30 -79.98, 53.93 79.11 01/26/2025 17:50:21 -79.97, 54.09 79.16 3.21 51
7 01/26/2025 18:40:07 79.75,-136.50 100.46 01/26/2025 18:39:25 79.75,-136.53 100.49 0.80 42
8 01/28/2025 22:15:52 -79.85, -11.36 79.91 01/28/2025 22:16:11 -79.86, -11.49 79.90 2.69 19
9 01/28/2025 23:05:35 77.59, 170.87 96.65 01/28/2025 23:04:22 77.37, 169.64 96.59 38.46 73

Figure of NPP and PACE satellite orbits during SNOs since TLE Epoch: 1/18/2025
SNOs_Map_NPP_PACE_20250118.jpg

Download SNOs between NPP and PACE since TLE EPOCH: 01/18/2025 in txt file.

Historial Predications of SNOs between NPP and PACE