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: 3/16/2025
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 79.97, 140.93 82.85 03/19/2025 00:03:28 79.97, 140.80 82.86 2.69 17
2 03/19/2025 00:51:40 -74.39, -24.71 104.72 03/19/2025 00:50:28 -74.01, -27.28 104.87 88.47 72
3 03/21/2025 05:20:20 -79.94,-118.14 98.09 03/21/2025 05:20:05 -79.94,-118.12 98.08 0.39 15
4 03/23/2025 09:46:49 -80.07, 173.96 98.72 03/23/2025 09:47:35 -80.06, 174.06 98.76 2.14 46
5 03/23/2025 10:37:27 79.87, -16.72 80.89 03/23/2025 10:36:41 79.87, -16.71 80.91 0.26 46
6 03/25/2025 15:03:54 79.95, -84.11 80.17 03/25/2025 15:04:09 79.95, -84.22 80.18 2.23 15
7 03/27/2025 19:31:03 80.99,-165.64 81.81 03/27/2025 19:32:16 81.23,-164.95 81.82 29.80 73
8 03/27/2025 20:21:04 -79.97, 16.43 100.69 03/27/2025 20:20:44 -79.96, 16.57 100.70 2.76 20
9 03/30/2025 00:47:31 -80.05, -51.06 101.38 03/30/2025 00:48:10 -80.05, -50.94 101.42 2.60 39

Figure of NOAA-21 and PACE satellite orbits during SNOs since TLE Epoch: 3/16/2025
SNOs_Map_NOAA-21_PACE_20250317.jpg

Download SNOs between NOAA-21 and PACE since TLE EPOCH: 03/16/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and PACE