Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and PACE Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 6/7/2025
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (PACE) Time (PACE) Lat,Lon (PACE) SZA (PACE ) Distance(km) Time Diff (sec)
1 06/08/2025 12:25:19 -79.81, 136.79 120.95 06/08/2025 12:26:06 -79.81, 136.75 120.97 0.82 47
2 06/08/2025 13:15:59 79.62, -54.23 58.71 06/08/2025 13:15:11 79.62, -54.17 58.73 1.33 48
3 06/10/2025 17:42:30 79.74,-121.85 58.76 06/10/2025 17:42:25 79.73,-121.79 58.75 1.21 5
4 06/12/2025 22:09:00 79.82, 170.77 58.78 06/12/2025 22:09:38 79.82, 170.77 58.77 0.27 38
5 06/12/2025 22:59:37 -79.60, -19.91 121.62 06/12/2025 22:58:43 -79.59, -19.91 121.60 0.20 54
6 06/15/2025 03:26:07 -79.68, -87.26 121.57 06/15/2025 03:25:56 -79.69, -87.40 121.54 3.08 11
7 06/17/2025 07:52:38 -79.80,-154.93 121.42 06/17/2025 07:53:09 -79.80,-154.97 121.42 0.98 31
8 06/17/2025 08:43:18 79.62, 13.99 58.27 06/17/2025 08:42:14 79.61, 14.06 58.29 1.47 64
9 06/19/2025 12:19:08 -79.88, 137.66 121.29 06/19/2025 12:20:21 -79.88, 137.64 121.32 0.47 73

Figure of NOAA-21 and PACE satellite orbits during SNOs since TLE Epoch: 6/7/2025
SNOs_Map_NOAA-21_PACE_20250607.jpg

Download SNOs between NOAA-21 and PACE since TLE EPOCH: 06/07/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and PACE