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: 10/7/2025
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 10/07/2025 07:03:15 81.31, 4.25 92.15 10/07/2025 07:04:26 81.01, 5.94 91.75 43.83 71
2 10/07/2025 07:53:42 -81.27, 178.36 88.77 10/07/2025 07:53:31 -81.27, 178.49 88.78 2.12 11
3 10/09/2025 16:33:50 81.28,-131.96 92.15 10/09/2025 16:34:35 81.27,-131.84 92.10 2.20 45
4 10/09/2025 17:24:33 -81.27, 35.88 87.92 10/09/2025 17:23:53 -81.27, 35.85 87.89 0.53 40
5 10/12/2025 02:04:41 81.27, 85.87 92.95 10/12/2025 02:04:56 81.27, 85.80 92.95 1.41 15
6 10/12/2025 02:55:25 -81.27,-106.67 87.07 10/12/2025 02:54:14 -81.28,-106.49 87.05 3.21 71
7 10/14/2025 10:44:49 -81.27, 135.41 86.14 10/14/2025 10:46:00 -81.26, 135.41 86.19 1.03 71
8 10/14/2025 11:35:33 81.27, -56.75 93.80 10/14/2025 11:35:16 81.28, -56.63 93.80 2.30 17
9 10/16/2025 20:15:41 -81.27, -7.25 85.29 10/16/2025 20:16:19 -81.27, -7.07 85.34 3.08 38
10 10/16/2025 21:06:25 81.27, 160.57 94.65 10/16/2025 21:05:36 81.26, 160.47 94.69 1.81 49

Figure of NOAA-21 and AQUA satellite orbits during SNOs since TLE Epoch: 10/7/2025
SNOs_Map_NOAA-21_AQUA_20251007.jpg

Download SNOs between NOAA-21 and AQUA since TLE EPOCH: 10/07/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and AQUA