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: 6/27/2025
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 06/27/2025 15:42:18 -81.30, 55.32 116.03 06/27/2025 15:43:32 -81.15, 55.49 116.14 17.04 74
2 06/27/2025 16:32:54 81.29,-134.12 63.51 06/27/2025 16:32:41 81.29,-134.00 63.50 2.14 13
3 06/30/2025 01:13:10 -81.29, -84.30 116.34 06/30/2025 01:14:22 -81.29, -84.38 116.37 1.33 72
4 06/30/2025 02:03:55 81.29, 83.12 63.65 06/30/2025 02:03:40 81.28, 83.06 63.67 1.52 15
5 07/02/2025 10:44:11 -81.29, 132.93 116.16 07/02/2025 10:45:20 -81.29, 132.93 116.20 0.10 69
6 07/02/2025 11:34:55 81.29, -59.27 63.78 07/02/2025 11:34:37 81.30, -59.27 63.79 0.98 18
7 07/04/2025 20:15:12 -81.29, -9.86 115.93 07/04/2025 20:16:18 -81.28, -9.91 115.97 1.33 66
8 07/04/2025 21:05:56 81.29, 157.93 64.00 07/04/2025 21:05:35 81.29, 157.86 64.03 1.17 21
9 07/07/2025 05:46:13 -81.29,-152.67 115.67 07/07/2025 05:47:15 -81.29,-152.53 115.73 2.41 62
10 07/07/2025 06:36:57 81.29, 15.11 64.27 07/07/2025 06:36:32 81.29, 15.23 64.27 1.90 25
11 07/09/2025 15:17:13 -81.29, 64.89 115.43 07/09/2025 15:18:11 -81.30, 65.07 115.49 3.19 58

Figure of NOAA-20 and AQUA satellite orbits during SNOs since TLE Epoch: 6/27/2025
SNOs_Map_NOAA-20_AQUA_20250627.jpg

Download SNOs between NOAA-20 and AQUA since TLE EPOCH: 06/27/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and AQUA