Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and AQUA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 1/21/2025
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (AQUA) Time (AQUA) Lat,Lon (AQUA) SZA (AQUA ) Distance(km) Time Diff (sec)
1 01/23/2025 01:27:07 -81.33, -91.62 73.36 01/23/2025 01:27:34 -81.32, -91.45 73.41 2.88 27
2 01/23/2025 02:17:51 81.33, 76.14 106.57 01/23/2025 02:16:53 81.33, 76.26 106.59 2.22 58
3 01/25/2025 11:48:39 81.33, -66.33 105.98 01/25/2025 11:49:14 81.34, -66.49 105.99 2.85 35
4 01/25/2025 12:39:24 -81.33, 100.82 74.01 01/25/2025 12:38:34 -81.33, 100.92 73.99 1.80 50
5 01/27/2025 22:10:11 -81.33, -41.74 74.62 01/27/2025 22:10:52 -81.34, -41.84 74.63 1.91 41
6 01/27/2025 23:00:56 81.33, 125.61 105.37 01/27/2025 23:00:11 81.34, 125.78 105.38 2.83 45
7 01/30/2025 08:31:45 81.33, -17.45 104.80 01/30/2025 08:32:29 81.33, -17.46 104.77 0.50 44
8 01/30/2025 09:22:28 -81.33, 150.50 75.30 01/30/2025 09:21:48 -81.33, 150.40 75.27 1.77 40
9 02/01/2025 18:53:18 -81.33, 6.96 75.84 02/01/2025 18:54:04 -81.32, 7.15 75.90 3.27 46

Figure of NOAA-21 and AQUA satellite orbits during SNOs since TLE Epoch: 1/21/2025
SNOs_Map_NOAA-21_AQUA_20250121.jpg

Download SNOs between NOAA-21 and AQUA since TLE EPOCH: 01/21/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and AQUA