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: 10/28/2025
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 10/28/2025 18:08:28 -81.26, 25.25 81.31 10/28/2025 18:09:02 -81.26, 25.06 81.30 3.25 34
2 10/28/2025 18:59:13 81.26,-167.32 98.69 10/28/2025 18:58:19 81.26,-167.33 98.72 0.22 54
3 10/31/2025 03:39:19 -81.26,-117.32 80.55 10/31/2025 03:39:14 -81.26,-117.40 80.54 1.33 5
4 11/02/2025 12:19:25 81.26, -67.54 100.22 11/02/2025 12:20:06 81.26, -67.54 100.20 0.17 41
5 11/02/2025 13:10:09 -81.26, 100.05 79.81 11/02/2025 13:09:24 -81.26, 100.11 79.79 1.11 45
6 11/04/2025 21:50:16 81.26, 149.73 100.96 11/04/2025 21:50:16 81.26, 149.91 100.93 3.06 0
7 11/07/2025 06:30:22 -81.26,-160.31 78.34 11/07/2025 06:31:08 -81.26,-160.20 78.38 1.82 46
8 11/07/2025 07:21:06 81.25, 7.33 101.63 11/07/2025 07:20:25 81.25, 7.33 101.65 0.36 41

Figure of NOAA-21 and AQUA satellite orbits during SNOs since TLE Epoch: 10/28/2025
SNOs_Map_NOAA-21_AQUA_20251029.jpg

Download SNOs between NOAA-21 and AQUA since TLE EPOCH: 10/28/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and AQUA