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: 4/28/2025
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 04/29/2025 07:47:03 79.91, 25.37 67.44 04/29/2025 07:47:17 79.91, 25.33 67.45 1.04 14
2 05/01/2025 12:13:33 79.94, -41.60 66.84 05/01/2025 12:14:29 79.95, -41.76 66.84 3.23 56
3 05/01/2025 13:04:12 -79.77, 127.43 113.50 05/01/2025 13:03:34 -79.77, 127.30 113.46 2.68 38
4 05/03/2025 17:30:44 -79.86, 59.88 113.97 05/03/2025 17:30:47 -79.87, 59.78 113.96 2.15 3
5 05/05/2025 21:57:17 -79.99, -8.02 114.36 05/05/2025 21:58:00 -79.99, -7.96 114.38 1.12 43
6 05/05/2025 22:47:55 79.79, 161.32 65.26 05/05/2025 22:47:05 79.78, 161.38 65.27 1.50 50
7 05/08/2025 03:14:26 79.87, 93.95 64.80 05/08/2025 03:14:16 79.86, 93.97 64.80 0.41 10
8 05/10/2025 07:40:58 79.98, 26.24 64.43 05/10/2025 07:41:27 79.97, 26.34 64.40 1.97 29

Figure of NPP and PACE satellite orbits during SNOs since TLE Epoch: 4/28/2025
SNOs_Map_NPP_PACE_20250428.jpg

Download SNOs between NPP and PACE since TLE EPOCH: 04/28/2025 in txt file.

Historial Predications of SNOs between NPP and PACE