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: 7/28/2025
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 07/29/2025 03:01:09 -79.92, -83.23 116.38 07/29/2025 03:02:01 -79.93, -83.29 116.39 1.37 52
2 07/29/2025 03:51:47 79.71, 86.05 63.25 07/29/2025 03:51:07 79.72, 85.94 63.29 2.21 40
3 07/31/2025 08:18:17 79.83, 18.34 63.99 07/31/2025 08:18:15 79.83, 18.38 63.99 0.93 2
4 08/02/2025 12:44:47 79.95, -49.41 64.76 08/02/2025 12:45:23 79.94, -49.28 64.72 2.50 36
5 08/02/2025 13:35:23 -79.66, 120.57 115.76 08/02/2025 13:34:25 -79.67, 120.44 115.71 2.65 58
6 08/04/2025 17:11:50 80.85,-128.08 67.42 08/04/2025 17:13:03 81.07,-127.38 67.42 27.81 73
7 08/04/2025 18:01:52 -79.75, 53.15 115.03 08/04/2025 18:01:32 -79.76, 53.01 115.00 2.88 20
8 08/06/2025 22:28:23 -79.90, -14.89 114.16 08/06/2025 22:28:40 -79.90, -14.79 114.18 1.90 17
9 08/06/2025 23:18:14 77.99, 165.80 62.84 08/06/2025 23:17:01 77.80, 164.73 62.81 32.82 73
10 08/09/2025 02:54:50 -79.93, -81.79 113.50 08/09/2025 02:55:45 -79.94, -81.85 113.51 1.22 55
11 08/09/2025 03:45:28 79.74, 87.39 66.16 08/09/2025 03:44:51 79.74, 87.31 66.18 1.52 37

Figure of NOAA-21 and PACE satellite orbits during SNOs since TLE Epoch: 7/28/2025
SNOs_Map_NOAA-21_PACE_20250729.jpg

Download SNOs between NOAA-21 and PACE since TLE EPOCH: 07/28/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and PACE