Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between AURA and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 6/24/2025
Index Date (AURA) Time (AURA) Lat,Lon (AURA) SZA (AURA ) Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Distance(km) Time Diff (sec)
1 06/26/2025 05:30:15 -81.13,-161.84 114.60 06/26/2025 05:30:12 -81.13,-161.75 114.61 1.46 3
2 06/28/2025 15:52:35 81.13,-137.47 65.53 06/28/2025 15:51:54 81.12,-137.41 65.55 0.99 41
3 06/28/2025 16:41:55 -81.13, 30.32 114.49 06/28/2025 16:42:38 -81.13, 30.32 114.51 0.24 43
4 07/01/2025 03:04:14 81.14, 54.87 65.66 07/01/2025 03:04:19 81.14, 55.02 65.64 2.61 5
5 07/03/2025 13:26:35 -81.12, 78.99 114.10 07/03/2025 13:26:02 -81.12, 79.05 114.09 1.06 33
6 07/03/2025 14:15:53 81.14,-112.96 65.85 07/03/2025 14:16:45 81.14,-112.94 65.82 0.28 52
7 07/05/2025 23:48:52 81.12, 103.56 66.12 07/05/2025 23:47:42 81.12, 103.72 66.14 2.80 70

Figure of AURA and NPP satellite orbits during SNOs since TLE Epoch: 6/24/2025
SNOs_Map_AURA_NPP_20250624.jpg

Download SNOs between AURA and NPP since TLE EPOCH: 06/24/2025 in txt file.

Historial Predications of SNOs between AURA and NPP