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: 10/30/2025
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 10/31/2025 03:39:18 -81.25,-117.22 80.57 10/31/2025 03:39:13 -81.26,-117.31 80.55 1.85 5
2 11/02/2025 12:19:25 81.26, -67.41 100.20 11/02/2025 12:20:06 81.26, -67.46 100.19 1.15 41
3 11/02/2025 13:10:09 -81.25, 100.16 79.83 11/02/2025 13:09:24 -81.26, 100.17 79.80 1.02 45
4 11/04/2025 21:50:16 81.26, 149.88 100.94 11/04/2025 21:50:16 81.26, 149.96 100.93 1.43 0
5 11/07/2025 06:30:22 -81.26,-160.15 78.36 11/07/2025 06:31:08 -81.26,-160.21 78.38 1.06 46
6 11/07/2025 07:21:06 81.25, 7.51 101.61 11/07/2025 07:20:25 81.25, 7.33 101.65 3.00 41
7 11/09/2025 16:01:13 -81.26, 57.08 77.67 11/09/2025 16:01:16 -81.25, 57.12 77.68 1.26 3
8 11/12/2025 00:41:18 81.25, 107.30 102.96 11/12/2025 00:42:04 81.25, 107.13 102.96 2.94 46

Figure of NOAA-21 and AQUA satellite orbits during SNOs since TLE Epoch: 10/30/2025
SNOs_Map_NOAA-21_AQUA_20251031.jpg

Download SNOs between NOAA-21 and AQUA since TLE EPOCH: 10/30/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and AQUA