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: 11/19/2025
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 11/21/2025 12:13:33 -81.25, 114.42 74.71 11/21/2025 12:14:20 -81.25, 114.29 74.72 2.09 47
2 11/21/2025 13:04:17 81.24, -77.95 105.26 11/21/2025 13:03:37 81.25, -78.08 105.30 2.28 40
3 11/23/2025 20:53:50 81.26, 163.64 105.90 11/23/2025 20:55:03 81.23, 163.80 105.82 4.21 73
4 11/23/2025 21:44:33 -81.24, -28.14 74.22 11/23/2025 21:44:19 -81.26, -27.96 74.23 3.37 14
5 11/26/2025 06:24:48 81.25, 21.78 106.27 11/26/2025 06:25:01 81.24, 21.61 106.28 3.04 13
6 11/26/2025 07:15:25 -81.17,-167.66 74.18 11/26/2025 07:14:11 -81.37,-167.81 74.01 21.34 74
7 11/28/2025 15:05:04 -81.25, 71.61 73.28 11/28/2025 15:05:42 -81.24, 71.50 73.29 2.02 38
8 11/28/2025 15:55:48 81.24,-120.89 106.71 11/28/2025 15:54:59 81.24,-120.92 106.73 0.97 49
9 11/30/2025 23:45:18 81.25, 121.37 107.16 11/30/2025 23:46:20 81.25, 121.56 107.10 3.14 62
10 12/01/2025 00:36:03 -81.25, -71.06 72.87 12/01/2025 00:35:38 -81.24, -70.96 72.88 1.94 25

Figure of NOAA-21 and AQUA satellite orbits during SNOs since TLE Epoch: 11/19/2025
SNOs_Map_NOAA-21_AQUA_20251120.jpg

Download SNOs between NOAA-21 and AQUA since TLE EPOCH: 11/19/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and AQUA