Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and PACE Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/25/2025
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (PACE) Time (PACE) Lat,Lon (PACE) SZA (PACE ) Distance(km) Time Diff (sec)
1 04/26/2025 15:01:44 -79.69, 98.26 112.05 04/26/2025 15:02:21 -79.70, 98.14 112.05 2.42 37
2 04/26/2025 15:52:23 79.49, -92.72 67.60 04/26/2025 15:51:27 79.49, -92.71 67.62 0.52 56
3 04/28/2025 20:18:56 79.65,-160.64 67.17 04/28/2025 20:18:43 79.65,-160.57 67.17 1.47 13
4 05/01/2025 00:45:26 79.70, 132.22 66.60 05/01/2025 00:45:56 79.71, 132.17 66.59 1.20 30
5 05/01/2025 01:36:03 -79.45, -58.27 113.86 05/01/2025 01:34:59 -79.45, -58.31 113.83 0.98 64
6 05/03/2025 05:11:57 79.80, 64.76 66.11 05/03/2025 05:13:09 79.80, 64.72 66.08 0.94 72
7 05/03/2025 06:02:35 -79.57,-125.94 114.30 05/03/2025 06:02:13 -79.58,-125.96 114.28 0.46 22
8 05/05/2025 10:29:08 -79.73, 166.05 114.65 05/05/2025 10:29:27 -79.72, 166.19 114.68 2.95 19
9 05/05/2025 11:19:40 79.31, -23.13 64.63 05/05/2025 11:18:27 79.31, -23.26 64.67 2.86 73
10 05/07/2025 14:55:39 -79.83, 98.54 115.08 05/07/2025 14:56:39 -79.82, 98.68 115.13 2.85 60

Figure of NOAA-20 and PACE satellite orbits during SNOs since TLE Epoch: 4/25/2025
SNOs_Map_NOAA-20_PACE_20250425.jpg

Download SNOs between NOAA-20 and PACE since TLE EPOCH: 04/25/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and PACE