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: 10/31/2025
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 11/02/2025 11:59:21 -81.20, 104.46 78.04 11/02/2025 11:59:01 -81.19, 104.50 78.03 0.89 20
2 11/02/2025 12:48:39 81.21, -87.65 101.95 11/02/2025 12:49:44 81.21, -87.46 101.89 3.10 65
3 11/04/2025 22:20:52 81.19, 129.01 102.72 11/04/2025 22:20:43 81.19, 129.08 102.72 1.15 9
4 11/07/2025 08:42:22 -81.20, 153.89 76.60 11/07/2025 08:42:24 -81.20, 154.06 76.62 2.85 2
5 11/09/2025 18:14:32 -81.18, 10.48 75.86 11/09/2025 18:13:22 -81.18, 10.50 75.82 0.49 70
6 11/09/2025 19:03:50 81.19, 178.31 104.13 11/09/2025 19:04:06 81.19, 178.16 104.15 2.62 16
7 11/12/2025 04:35:59 81.18, 35.22 104.80 11/12/2025 04:35:03 81.19, 35.32 104.82 1.86 56
8 11/12/2025 05:25:18 -81.19,-156.89 75.22 11/12/2025 05:25:47 -81.20,-156.98 75.23 1.53 29
9 11/14/2025 14:57:26 -81.19, 59.98 74.58 11/14/2025 14:56:44 -81.19, 60.13 74.57 2.58 42

Figure of AURA and NPP satellite orbits during SNOs since TLE Epoch: 10/31/2025
SNOs_Map_AURA_NPP_20251101.jpg

Download SNOs between AURA and NPP since TLE EPOCH: 10/31/2025 in txt file.

Historial Predications of SNOs between AURA and NPP