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: 3/18/2025
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 03/19/2025 00:03:11 79.96, 140.98 82.84 03/19/2025 00:03:28 79.97, 140.83 82.86 3.05 17
2 03/19/2025 00:51:36 -74.19, -24.20 104.94 03/19/2025 00:50:24 -73.80, -26.81 105.11 91.24 72
3 03/21/2025 05:20:19 -79.91,-117.83 98.14 03/21/2025 05:20:04 -79.91,-117.86 98.14 0.61 15
4 03/23/2025 09:46:49 -80.07, 173.94 98.72 03/23/2025 09:47:35 -80.07, 173.98 98.74 0.74 46
5 03/23/2025 10:37:26 79.84, -16.44 80.84 03/23/2025 10:36:40 79.84, -16.51 80.87 1.25 46
6 03/25/2025 15:03:56 80.02, -84.76 80.29 03/25/2025 15:04:10 80.01, -84.66 80.27 1.98 14
7 03/27/2025 19:30:47 80.70,-160.08 80.93 03/27/2025 19:32:00 80.84,-159.56 80.92 18.16 73
8 03/27/2025 20:21:02 -79.92, 16.90 100.77 03/27/2025 20:20:42 -79.92, 16.88 100.76 0.53 20
9 03/30/2025 00:47:29 -80.01, -50.65 101.46 03/30/2025 00:48:08 -80.02, -50.73 101.47 1.72 39

Figure of NOAA-21 and PACE satellite orbits during SNOs since TLE Epoch: 3/18/2025
SNOs_Map_NOAA-21_PACE_20250318.jpg

Download SNOs between NOAA-21 and PACE since TLE EPOCH: 03/18/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and PACE