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: 4/26/2025
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 04/28/2025 09:49:44 81.07, -48.58 74.41 04/28/2025 09:49:33 81.08, -48.51 74.41 1.19 11
2 04/28/2025 10:39:03 -81.10, 119.56 105.68 04/28/2025 10:40:16 -81.11, 119.70 105.74 2.29 73
3 04/30/2025 20:12:23 -81.06, -24.47 106.31 04/30/2025 20:11:19 -81.06, -24.55 106.26 1.41 64
4 04/30/2025 21:01:41 81.09, 143.78 73.60 04/30/2025 21:02:01 81.09, 143.70 73.60 1.65 20
5 05/03/2025 07:24:19 -81.07, 167.71 107.07 05/03/2025 07:23:47 -81.07, 167.63 107.04 1.41 32
6 05/03/2025 08:13:37 81.10, -24.07 72.84 05/03/2025 08:14:29 81.10, -24.16 72.82 1.68 52
7 05/05/2025 18:36:13 -81.08, 0.05 107.83 05/05/2025 18:36:14 -81.09, 0.12 107.84 1.27 1
8 05/08/2025 04:58:46 81.08, 24.34 71.52 05/08/2025 04:57:58 81.07, 24.19 71.57 2.69 48

Figure of AURA and NPP satellite orbits during SNOs since TLE Epoch: 4/26/2025
SNOs_Map_AURA_NPP_20250426.jpg

Download SNOs between AURA and NPP since TLE EPOCH: 04/26/2025 in txt file.

Historial Predications of SNOs between AURA and NPP