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: 5/14/2025
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 05/14/2025 17:24:36 -79.88, 61.28 116.85 05/14/2025 17:24:54 -79.88, 61.16 116.84 2.52 18
2 05/14/2025 18:14:00 76.81,-112.77 58.66 05/14/2025 18:12:47 76.52,-114.41 58.55 53.50 73
3 05/16/2025 21:51:08 -79.99, -6.45 117.14 05/16/2025 21:52:05 -79.99, -6.45 117.17 0.22 57
4 05/16/2025 22:41:46 79.79, 162.85 62.48 05/16/2025 22:41:10 79.79, 162.80 62.50 1.02 36
5 05/19/2025 03:08:17 79.88, 95.38 62.17 05/19/2025 03:08:20 79.88, 95.35 62.17 0.64 3
6 05/21/2025 07:34:47 79.94, 28.17 61.84 05/21/2025 07:35:29 79.94, 28.07 61.83 2.00 42
7 05/21/2025 08:25:28 -79.81,-163.26 118.41 05/21/2025 08:24:36 -79.81,-163.19 118.40 1.29 52
8 05/23/2025 12:51:57 -79.84, 129.83 118.77 05/23/2025 12:51:44 -79.85, 129.76 118.76 1.48 13
9 05/25/2025 17:18:28 -79.93, 62.30 118.99 05/25/2025 17:18:53 -79.93, 62.32 119.00 0.58 25
10 05/25/2025 18:09:05 79.71,-128.19 60.59 05/25/2025 18:07:57 79.71,-128.32 60.64 2.59 68
11 05/27/2025 21:44:59 -80.03, -5.26 119.17 05/27/2025 21:46:02 -80.03, -5.22 119.20 0.70 63

Figure of NPP and PACE satellite orbits during SNOs since TLE Epoch: 5/14/2025
SNOs_Map_NPP_PACE_20250514.jpg

Download SNOs between NPP and PACE since TLE EPOCH: 05/14/2025 in txt file.

Historial Predications of SNOs between NPP and PACE