Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between AQUA and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 5/10/2025
Index Date (AQUA) Time (AQUA) Lat,Lon (AQUA) SZA (AQUA ) Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Distance(km) Time Diff (sec)
1 05/11/2025 04:52:14 -81.28,-140.48 111.24 05/11/2025 04:51:05 -81.29,-140.37 111.22 2.13 69
2 05/11/2025 05:41:32 81.28, 27.23 68.75 05/11/2025 05:41:49 81.29, 27.15 68.75 1.50 17
3 05/13/2025 15:12:42 81.29,-115.34 68.13 05/13/2025 15:12:47 81.29,-115.53 68.15 3.27 5
4 05/16/2025 00:43:52 81.28, 101.75 67.58 05/16/2025 00:43:45 81.29, 101.75 67.59 0.70 7
5 05/18/2025 10:15:00 81.29, -40.75 67.02 05/18/2025 10:14:42 81.29, -40.62 67.01 2.17 18
6 05/18/2025 11:04:19 -81.28, 126.72 112.97 05/18/2025 11:05:28 -81.29, 126.57 112.99 2.56 69
7 05/20/2025 19:46:08 81.29, 176.42 66.53 05/20/2025 19:45:40 81.29, 176.58 66.52 2.68 28
8 05/20/2025 20:35:26 -81.30, -15.70 113.51 05/20/2025 20:36:25 -81.29, -15.82 113.53 2.20 59
9 05/23/2025 05:17:14 81.28, 33.62 66.07 05/23/2025 05:16:37 81.29, 33.73 66.08 2.00 37

Figure of AQUA and NPP satellite orbits during SNOs since TLE Epoch: 5/10/2025
SNOs_Map_AQUA_NPP_20250510.jpg

Download SNOs between AQUA and NPP since TLE EPOCH: 05/10/2025 in txt file.

Historial Predications of SNOs between AQUA and NPP