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: 10/2/2025
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 10/02/2025 12:51:57 -81.28, 103.52 90.51 10/02/2025 12:52:42 -81.27, 103.56 90.54 0.81 45
2 10/02/2025 13:42:41 81.27, -88.59 89.43 10/02/2025 13:41:59 81.28, -88.71 89.47 2.21 42
3 10/04/2025 22:22:49 -81.27, -38.85 89.66 10/04/2025 22:23:07 -81.27, -38.98 89.66 2.12 18
4 10/04/2025 23:13:34 81.27, 128.64 90.33 10/04/2025 23:12:24 81.27, 128.70 90.36 1.27 70
5 10/07/2025 07:03:04 81.30, 8.48 91.58 10/07/2025 07:04:17 81.18, 8.86 91.43 14.93 73
6 10/07/2025 07:53:42 -81.27, 178.30 88.76 10/07/2025 07:53:30 -81.27, 178.47 88.77 2.90 12
7 10/09/2025 16:33:50 81.27,-131.73 92.12 10/09/2025 16:34:33 81.27,-131.81 92.10 1.49 43
8 10/09/2025 17:24:34 -81.27, 35.75 87.90 10/09/2025 17:23:51 -81.27, 35.91 87.90 2.64 43
9 10/12/2025 02:04:41 81.27, 85.62 92.98 10/12/2025 02:04:51 81.27, 85.60 92.98 0.85 10
10 10/12/2025 02:55:03 -81.05, -98.51 88.21 10/12/2025 02:54:02 -81.38,-103.94 87.31 99.25 61
11 10/14/2025 10:44:48 -81.27, 135.46 86.15 10/14/2025 10:45:51 -81.27, 135.48 86.19 0.72 63

Figure of NOAA-21 and AQUA satellite orbits during SNOs since TLE Epoch: 10/2/2025
SNOs_Map_NOAA-21_AQUA_20251002.jpg

Download SNOs between NOAA-21 and AQUA since TLE EPOCH: 10/02/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and AQUA