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: 5/22/2025
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 05/23/2025 05:17:17 81.29, 33.88 66.04 05/23/2025 05:16:37 81.29, 33.96 66.05 1.57 40
2 05/23/2025 06:06:36 -81.28,-158.70 113.94 05/23/2025 06:07:22 -81.28,-158.51 114.00 3.28 46
3 05/25/2025 14:48:25 81.28,-109.11 65.64 05/25/2025 14:47:35 81.29,-108.91 65.64 3.33 50
4 05/25/2025 15:37:43 -81.29, 58.73 114.40 05/25/2025 15:38:20 -81.28, 58.65 114.41 1.49 37
5 05/28/2025 00:19:32 81.28, 108.07 65.25 05/28/2025 00:18:33 81.29, 108.19 65.28 2.31 59
6 05/28/2025 01:08:50 -81.29, -84.06 114.78 05/28/2025 01:09:18 -81.29, -84.24 114.77 2.98 28
7 05/30/2025 09:50:37 81.30, -34.22 64.84 05/30/2025 09:49:30 81.29, -34.37 64.90 2.73 67
8 05/30/2025 10:39:56 -81.29, 133.30 115.15 05/30/2025 10:40:15 -81.28, 133.22 115.15 1.39 19
9 06/01/2025 20:11:02 -81.28, -9.57 115.45 06/01/2025 20:11:13 -81.29, -9.76 115.43 3.16 11

Figure of AQUA and NPP satellite orbits during SNOs since TLE Epoch: 5/22/2025
SNOs_Map_AQUA_NPP_20250522.jpg

Download SNOs between AQUA and NPP since TLE EPOCH: 05/22/2025 in txt file.

Historial Predications of SNOs between AQUA and NPP