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: 8/20/2025
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 08/22/2025 22:29:38 -81.29, -41.45 105.07 08/22/2025 22:29:27 -81.29, -41.53 105.05 1.40 11
2 08/25/2025 07:09:49 81.29, 8.01 75.79 08/25/2025 07:10:54 81.29, 8.08 75.74 1.29 65
3 08/25/2025 08:00:33 -81.29, 175.90 104.29 08/25/2025 08:00:12 -81.29, 175.73 104.25 2.82 21
4 08/27/2025 16:40:44 81.29,-134.66 76.58 08/27/2025 16:41:38 81.29,-134.51 76.53 2.48 54
5 08/27/2025 17:31:28 -81.29, 33.22 103.49 08/27/2025 17:30:56 -81.29, 33.16 103.46 1.20 32
6 08/30/2025 02:11:38 81.29, 83.04 77.34 08/30/2025 02:12:21 81.30, 83.06 77.32 1.18 43
7 08/30/2025 03:02:23 -81.29,-109.48 102.68 08/30/2025 03:01:40 -81.28,-109.64 102.63 2.80 43
8 09/01/2025 11:42:32 81.29, -59.67 78.17 09/01/2025 11:43:03 81.30, -59.59 78.14 1.70 31
9 09/01/2025 12:33:17 -81.29, 107.80 101.85 09/01/2025 12:32:22 -81.28, 107.73 101.81 1.30 55

Figure of NOAA-21 and AQUA satellite orbits during SNOs since TLE Epoch: 8/20/2025
SNOs_Map_NOAA-21_AQUA_20250822.jpg

Download SNOs between NOAA-21 and AQUA since TLE EPOCH: 08/20/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and AQUA