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: 10/14/2025
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 10/16/2025 20:15:41 -81.27, -7.04 85.32 10/16/2025 20:16:20 -81.26, -7.14 85.34 1.83 39
2 10/16/2025 21:06:26 81.27, 160.45 94.67 10/16/2025 21:05:37 81.26, 160.48 94.69 0.94 49
3 10/19/2025 05:46:32 -81.27,-149.72 84.48 10/19/2025 05:46:37 -81.27,-149.55 84.51 2.82 5
4 10/21/2025 14:26:39 81.27, -99.56 96.32 10/21/2025 14:27:36 81.27, -99.73 96.31 2.83 57
5 10/21/2025 15:17:23 -81.26, 67.94 83.70 10/21/2025 15:16:54 -81.27, 67.99 83.68 0.98 29
6 10/23/2025 23:57:31 81.27, 117.62 97.16 10/23/2025 23:57:52 81.26, 117.75 97.13 2.16 21
7 10/24/2025 00:48:14 -81.26, -74.46 82.92 10/24/2025 00:47:10 -81.27, -74.52 82.87 1.53 64
8 10/26/2025 08:37:37 -81.26, 167.78 82.08 10/26/2025 08:38:50 -81.27, 167.68 82.10 1.85 73
9 10/26/2025 09:28:22 81.26, -24.86 97.93 10/26/2025 09:28:07 81.26, -24.81 97.94 0.76 15
10 10/28/2025 18:08:29 -81.27, 24.90 81.26 10/28/2025 18:09:04 -81.26, 25.09 81.31 3.29 35

Figure of NOAA-21 and AQUA satellite orbits during SNOs since TLE Epoch: 10/14/2025
SNOs_Map_NOAA-21_AQUA_20251015.jpg

Download SNOs between NOAA-21 and AQUA since TLE EPOCH: 10/14/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and AQUA