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: 6/25/2025
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,-161.81 114.60 06/26/2025 05:30:12 -81.13,-161.74 114.61 1.36 3
2 06/28/2025 15:52:36 81.11,-137.78 65.58 06/28/2025 15:51:55 81.11,-137.77 65.61 0.57 41
3 06/28/2025 16:41:55 -81.14, 30.36 114.49 06/28/2025 16:42:38 -81.13, 30.33 114.52 0.47 43
4 07/01/2025 03:04:15 81.12, 54.59 65.70 07/01/2025 03:04:20 81.13, 54.66 65.69 1.42 5
5 07/03/2025 13:26:35 -81.13, 79.11 114.12 07/03/2025 13:26:02 -81.12, 79.05 114.09 1.08 33
6 07/03/2025 14:15:53 81.15,-112.83 65.83 07/03/2025 14:16:45 81.14,-112.93 65.82 1.92 52
7 07/05/2025 23:48:53 81.11, 103.36 66.15 07/05/2025 23:47:43 81.11, 103.34 66.20 0.39 70
8 07/06/2025 00:38:13 -81.12, -88.82 113.87 07/06/2025 00:38:27 -81.12, -88.95 113.86 2.34 14
9 07/08/2025 11:00:31 81.12, -64.36 66.40 07/08/2025 11:00:08 81.13, -64.30 66.41 1.14 23

Figure of AURA and NPP satellite orbits during SNOs since TLE Epoch: 6/25/2025
SNOs_Map_AURA_NPP_20250625.jpg

Download SNOs between AURA and NPP since TLE EPOCH: 06/25/2025 in txt file.

Historial Predications of SNOs between AURA and NPP