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: 8/17/2025
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 08/19/2025 00:14:06 -81.15, -81.62 104.29 08/19/2025 00:13:02 -81.14, -81.79 104.23 3.04 64
2 08/19/2025 01:03:24 81.18, 86.53 75.65 08/19/2025 01:03:44 81.17, 86.64 75.63 1.86 20
3 08/21/2025 11:25:32 -81.17, 110.87 103.56 08/21/2025 11:25:25 -81.16, 110.78 103.54 1.53 7
4 08/23/2025 21:47:39 81.15, 135.10 77.27 08/23/2025 21:47:05 81.16, 135.19 77.28 1.59 34
5 08/23/2025 22:36:58 -81.17, -56.88 102.78 08/23/2025 22:37:49 -81.17, -57.05 102.78 3.00 51
6 08/26/2025 08:09:45 -81.16, 159.79 101.97 08/26/2025 08:08:45 -81.15, 159.75 101.92 0.94 60
7 08/26/2025 08:59:04 81.16, -32.51 78.05 08/26/2025 08:59:28 81.17, -32.33 78.01 3.21 24

Figure of AURA and NPP satellite orbits during SNOs since TLE Epoch: 8/17/2025
SNOs_Map_AURA_NPP_20250817.jpg

Download SNOs between AURA and NPP since TLE EPOCH: 08/17/2025 in txt file.

Historial Predications of SNOs between AURA and NPP