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: 8/26/2025
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 08/27/2025 16:40:43 81.29,-134.47 76.56 08/27/2025 16:41:37 81.30,-134.28 76.50 3.34 54
2 08/27/2025 17:31:28 -81.29, 32.97 103.45 08/27/2025 17:30:56 -81.28, 32.94 103.44 1.25 32
3 08/30/2025 02:11:38 81.29, 82.82 77.37 08/30/2025 02:12:21 81.29, 82.85 77.34 0.50 43
4 08/30/2025 03:02:22 -81.28,-109.36 102.69 08/30/2025 03:01:39 -81.29,-109.52 102.65 2.84 43
5 09/01/2025 11:42:33 81.29, -59.91 78.20 09/01/2025 11:43:04 81.28, -59.90 78.18 1.00 31
6 09/01/2025 12:33:17 -81.28, 107.90 101.86 09/01/2025 12:32:22 -81.28, 107.76 101.81 2.45 55
7 09/03/2025 21:13:28 81.29, 157.33 79.05 09/03/2025 21:13:46 81.28, 157.50 79.01 3.03 18
8 09/03/2025 22:04:12 -81.28, -34.87 101.01 09/03/2025 22:03:04 -81.28, -34.82 100.98 0.77 68
9 09/06/2025 06:44:22 81.29, 14.93 79.86 09/06/2025 06:44:27 81.29, 15.02 79.84 1.52 5

Figure of NOAA-21 and AQUA satellite orbits during SNOs since TLE Epoch: 8/26/2025
SNOs_Map_NOAA-21_AQUA_20250827.jpg

Download SNOs between NOAA-21 and AQUA since TLE EPOCH: 08/26/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and AQUA