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: 9/7/2026
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 09/09/2026 21:57:44 81.09, 155.53 79.79 09/09/2026 21:58:56 81.10, 155.59 79.75 1.36 72
2 09/09/2026 22:48:29 -81.08, -37.02 100.23 09/09/2026 22:48:13 -81.09, -36.83 100.24 3.31 16
3 09/12/2026 06:37:55 -81.09,-154.44 99.37 09/12/2026 06:38:35 -81.09,-154.37 99.39 1.37 40
4 09/12/2026 07:28:39 81.08, 13.07 80.62 09/12/2026 07:27:51 81.08, 13.19 80.64 2.06 48
5 09/14/2026 15:18:05 81.08,-104.37 81.49 09/14/2026 15:18:13 81.07,-104.51 81.50 2.73 8
6 09/16/2026 23:07:31 81.08, 138.18 82.37 09/16/2026 23:08:34 81.07, 138.02 82.35 2.96 63
7 09/16/2026 23:58:16 -81.08, -54.39 97.64 09/16/2026 23:57:51 -81.07, -54.33 97.64 1.36 25
8 09/19/2026 07:47:41 -81.07,-171.50 96.81 09/19/2026 07:48:11 -81.09,-171.55 96.81 2.06 30
9 09/19/2026 08:38:25 81.06, -3.96 83.17 09/19/2026 08:37:27 81.08, -4.06 83.23 2.44 58

Figure of NOAA-21 and AQUA satellite orbits during SNOs since TLE Epoch: 9/7/2026
SNOs_Map_NOAA-21_AQUA_20260908.jpg

Download SNOs between NOAA-21 and AQUA since TLE EPOCH: 09/07/2026 in txt file.

Historial Predications of SNOs between NOAA-21 and AQUA