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: 10/31/2025
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 11/02/2025 12:19:26 81.26, -67.66 100.24 11/02/2025 12:20:07 81.25, -67.69 100.21 0.93 41
2 11/02/2025 13:10:10 -81.26, 99.90 79.79 11/02/2025 13:09:25 -81.25, 99.93 79.77 0.86 45
3 11/04/2025 21:50:17 81.26, 149.62 100.97 11/04/2025 21:50:17 81.25, 149.76 100.95 2.63 0
4 11/07/2025 06:30:23 -81.26,-160.42 78.33 11/07/2025 06:31:09 -81.25,-160.39 78.36 1.41 46
5 11/07/2025 07:21:07 81.26, 7.24 101.64 11/07/2025 07:20:26 81.24, 7.16 101.67 1.90 41
6 11/09/2025 16:01:12 -81.26, 57.19 77.68 11/09/2025 16:01:15 -81.26, 57.37 77.70 3.15 3
7 11/12/2025 00:41:18 81.26, 107.01 103.00 11/12/2025 00:42:04 81.25, 107.07 102.96 1.26 46
8 11/12/2025 01:32:02 -81.25, -85.25 77.05 11/12/2025 01:31:22 -81.25, -85.29 77.03 0.69 40

Figure of NOAA-21 and AQUA satellite orbits during SNOs since TLE Epoch: 10/31/2025
SNOs_Map_NOAA-21_AQUA_20251101.jpg

Download SNOs between NOAA-21 and AQUA since TLE EPOCH: 10/31/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and AQUA