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: 3/24/2025
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 03/25/2025 01:57:07 79.85, 113.39 80.22 03/25/2025 01:57:13 79.86, 113.27 80.24 2.72 6
2 03/27/2025 06:23:33 79.98, 45.48 79.60 03/27/2025 06:24:40 79.98, 45.46 79.57 0.40 67
3 03/27/2025 07:14:10 -79.77,-145.12 100.82 03/27/2025 07:13:44 -79.77,-145.20 100.80 1.74 26
4 03/29/2025 11:40:37 -79.94, 146.64 101.37 03/29/2025 11:41:11 -79.94, 146.65 101.39 0.25 34
5 03/29/2025 12:31:16 79.74, -44.15 78.26 03/29/2025 12:30:17 79.74, -44.11 78.28 0.84 59
6 03/31/2025 16:57:42 79.89,-112.19 77.68 03/31/2025 16:57:42 79.88,-112.05 77.65 2.86 0
7 04/02/2025 21:24:04 79.96,-179.44 76.95 04/02/2025 21:25:03 79.97,-179.52 76.93 1.56 59
8 04/02/2025 22:14:44 -79.83, -10.85 103.31 04/02/2025 22:14:09 -79.83, -10.75 103.31 2.11 35
9 04/05/2025 02:41:06 -79.87, -77.86 104.08 04/05/2025 02:41:29 -79.88, -77.99 104.07 2.82 23

Figure of NPP and PACE satellite orbits during SNOs since TLE Epoch: 3/24/2025
SNOs_Map_NPP_PACE_20250324.jpg

Download SNOs between NPP and PACE since TLE EPOCH: 03/24/2025 in txt file.

Historial Predications of SNOs between NPP and PACE