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: 7/24/2025
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 07/26/2025 09:53:43 -81.29, 146.28 112.55 07/26/2025 09:54:30 -81.28, 146.16 112.56 2.02 47
2 07/26/2025 10:44:28 81.29, -46.33 67.45 07/26/2025 10:43:48 81.28, -46.33 67.47 1.14 40
3 07/28/2025 19:24:39 -81.29, 3.48 112.00 07/28/2025 19:25:22 -81.28, 3.51 112.03 0.76 43
4 07/28/2025 20:15:23 81.28, 171.23 67.95 07/28/2025 20:14:39 81.29, 171.39 67.96 2.93 44
5 07/31/2025 04:55:34 -81.28,-138.96 111.47 07/31/2025 04:56:13 -81.29,-138.99 111.49 0.76 39
6 07/31/2025 05:46:19 81.28, 28.37 68.54 07/31/2025 05:45:31 81.28, 28.49 68.55 2.09 48
7 08/02/2025 14:26:29 -81.29, 78.18 110.86 08/02/2025 14:27:03 -81.29, 78.28 110.89 1.61 34
8 08/02/2025 15:17:13 81.28,-114.12 69.10 08/02/2025 15:16:21 81.28,-114.25 69.15 2.30 52
9 08/04/2025 23:57:24 -81.28, -64.30 110.27 08/04/2025 23:57:53 -81.29, -64.31 110.29 0.64 29

Figure of NOAA-20 and AQUA satellite orbits during SNOs since TLE Epoch: 7/24/2025
SNOs_Map_NOAA-20_AQUA_20250724.jpg

Download SNOs between NOAA-20 and AQUA since TLE EPOCH: 07/24/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and AQUA