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: 2/15/2025
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 02/15/2025 11:28:47 -79.91, 149.86 85.18 02/15/2025 11:29:33 -79.91, 149.73 85.18 2.56 46
2 02/15/2025 12:19:27 79.75, -41.31 94.52 02/15/2025 12:18:39 79.74, -41.28 94.54 0.75 48
3 02/17/2025 16:45:55 79.84,-108.82 93.93 02/17/2025 16:46:22 79.85,-108.97 93.94 3.05 27
4 02/17/2025 17:36:36 -79.73, 59.53 86.28 02/17/2025 17:35:30 -79.73, 59.65 86.27 2.44 66
5 02/19/2025 22:03:06 -79.89, -8.59 86.77 02/19/2025 22:03:14 -79.89, -8.50 86.79 1.82 8
6 02/22/2025 03:20:13 79.81, 92.94 92.27 02/22/2025 03:20:01 79.81, 92.94 92.28 0.30 12
7 02/24/2025 07:46:42 79.95, 24.99 91.73 02/24/2025 07:47:43 79.95, 24.93 91.70 1.25 61
8 02/24/2025 08:37:20 -79.75,-165.78 88.66 02/24/2025 08:36:49 -79.75,-165.87 88.63 1.97 31
9 02/26/2025 13:03:50 -79.92, 125.96 89.16 02/26/2025 13:04:31 -79.92, 125.94 89.18 0.40 41
10 02/26/2025 13:54:30 79.76, -65.20 90.54 02/26/2025 13:53:37 79.76, -65.11 90.55 1.83 53
11 02/28/2025 18:20:58 79.88,-132.93 89.93 02/28/2025 18:21:17 79.88,-132.94 89.92 0.16 19

Figure of NPP and PACE satellite orbits during SNOs since TLE Epoch: 2/15/2025
SNOs_Map_NPP_PACE_20250215.jpg

Download SNOs between NPP and PACE since TLE EPOCH: 02/15/2025 in txt file.

Historial Predications of SNOs between NPP and PACE