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: 9/27/2025
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 09/28/2025 16:39:09 79.90,-107.57 84.03 09/28/2025 16:39:05 79.91,-107.71 84.05 2.91 4
2 09/30/2025 21:05:35 79.96,-174.80 84.97 09/30/2025 21:06:00 79.96,-174.84 84.96 0.63 25
3 09/30/2025 21:56:13 -79.78, -5.71 95.35 09/30/2025 21:55:06 -79.79, -5.82 95.30 2.49 67
4 10/03/2025 01:32:01 80.03, 117.91 85.92 10/03/2025 01:32:55 80.04, 117.83 85.91 1.81 54
5 10/03/2025 02:22:41 -79.91, -73.55 94.30 10/03/2025 02:22:02 -79.90, -73.40 94.30 2.93 39
6 10/05/2025 06:49:04 -79.89,-139.98 93.50 10/05/2025 06:48:54 -79.89,-140.07 93.49 1.87 10
7 10/07/2025 11:15:31 -80.00, 152.37 92.50 10/07/2025 11:15:48 -79.99, 152.49 92.53 2.59 17
8 10/09/2025 15:41:54 -79.99, 85.86 91.70 10/09/2025 15:42:39 -80.00, 85.70 91.70 3.24 45
9 10/09/2025 16:32:34 79.82,-105.18 88.02 10/09/2025 16:31:44 79.83,-105.32 88.06 2.84 50
10 10/11/2025 20:08:20 -80.07, 18.40 90.74 10/11/2025 20:09:31 -80.07, 18.41 90.77 0.37 71

Figure of NOAA-21 and PACE satellite orbits during SNOs since TLE Epoch: 9/27/2025
SNOs_Map_NOAA-21_PACE_20250928.jpg

Download SNOs between NOAA-21 and PACE since TLE EPOCH: 09/27/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and PACE