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: 11/8/2025
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 11/09/2025 15:10:46 81.26,-110.48 102.35 11/09/2025 15:11:58 81.26,-110.36 102.30 2.07 72
2 11/09/2025 16:01:30 -81.25, 57.16 77.69 11/09/2025 16:01:16 -81.25, 57.21 77.69 0.89 14
3 11/12/2025 00:41:46 81.25, 107.24 102.95 11/12/2025 00:42:04 81.26, 107.31 102.94 1.64 18
4 11/12/2025 01:32:30 -81.25, -85.07 77.09 11/12/2025 01:31:22 -81.26, -85.11 77.05 1.44 68
5 11/14/2025 09:22:03 -81.26, 156.82 76.38 11/14/2025 09:22:53 -81.25, 156.96 76.42 2.55 50
6 11/14/2025 10:12:47 81.25, -35.49 103.59 11/14/2025 10:12:10 81.25, -35.47 103.60 0.70 37
7 11/16/2025 18:53:03 -81.25, 14.46 75.82 11/16/2025 18:52:57 -81.25, 14.51 75.82 0.88 6
8 11/19/2025 03:33:17 81.25, 64.60 104.73 11/19/2025 03:33:41 81.25, 64.41 104.75 3.30 24
9 11/19/2025 04:24:02 -81.25,-127.96 75.28 11/19/2025 04:22:59 -81.25,-128.01 75.24 0.87 63
10 11/21/2025 12:13:34 -81.25, 114.14 74.67 11/21/2025 12:14:26 -81.25, 114.29 74.72 2.55 52

Figure of NOAA-21 and AQUA satellite orbits during SNOs since TLE Epoch: 11/8/2025
SNOs_Map_NOAA-21_AQUA_20251108.jpg

Download SNOs between NOAA-21 and AQUA since TLE EPOCH: 11/08/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and AQUA