Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and AQUA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/22/2025
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (AQUA) Time (AQUA) Lat,Lon (AQUA) SZA (AQUA ) Distance(km) Time Diff (sec)
1 10/22/2025 20:02:09 81.25, 176.24 96.78 10/22/2025 20:02:02 81.24, 176.26 96.78 1.19 7
2 10/25/2025 04:42:25 -81.25,-133.58 82.45 10/25/2025 04:42:59 -81.26,-133.55 82.47 1.24 34
3 10/25/2025 05:33:10 81.25, 33.83 97.55 10/25/2025 05:32:16 81.26, 34.03 97.56 3.40 54
4 10/27/2025 13:22:43 81.26, -84.06 98.40 10/27/2025 13:23:55 81.25, -83.94 98.34 2.18 72
5 10/27/2025 14:13:27 -81.25, 83.57 81.64 10/27/2025 14:13:13 -81.25, 83.74 81.66 2.85 14
6 10/29/2025 22:53:44 81.25, 133.43 99.15 10/29/2025 22:54:07 81.25, 133.60 99.11 3.01 23
7 10/29/2025 23:44:27 -81.24, -58.55 80.94 10/29/2025 23:43:25 -81.25, -58.71 80.89 2.86 62
8 11/01/2025 07:34:00 -81.25,-176.54 80.12 11/01/2025 07:35:01 -81.25,-176.48 80.16 1.03 61
9 11/01/2025 08:24:45 81.25, -9.14 99.89 11/01/2025 08:24:18 81.25, -8.97 99.88 2.90 27

Figure of NOAA-20 and AQUA satellite orbits during SNOs since TLE Epoch: 10/22/2025
SNOs_Map_NOAA-20_AQUA_20251022.jpg

Download SNOs between NOAA-20 and AQUA since TLE EPOCH: 10/22/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and AQUA