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: 1/27/2025
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 01/29/2025 11:50:15 -81.00, 98.72 72.92 01/29/2025 11:49:59 -81.00, 98.91 72.93 3.24 16
2 01/29/2025 12:39:34 81.03, -93.06 107.00 01/29/2025 12:40:41 81.04, -92.90 106.93 2.79 67
3 01/31/2025 23:03:22 -80.98, -69.74 73.55 01/31/2025 23:02:26 -80.98, -69.66 73.53 1.36 56
4 01/31/2025 23:52:41 81.02, 98.44 106.37 01/31/2025 23:53:08 81.02, 98.52 106.34 1.43 27
5 02/03/2025 11:05:46 81.01, -69.92 105.69 02/03/2025 11:05:34 81.01, -69.76 105.67 2.68 12
6 02/03/2025 11:55:07 -81.02, 97.92 74.36 02/03/2025 11:56:19 -81.02, 97.75 74.38 2.88 72
7 02/05/2025 22:18:50 80.99, 121.52 105.00 02/05/2025 22:18:01 80.99, 121.52 105.03 0.26 49
8 02/05/2025 23:08:10 -81.02, -70.27 75.10 02/05/2025 23:08:44 -81.02, -70.23 75.12 0.67 34

Figure of AURA and NPP satellite orbits during SNOs since TLE Epoch: 1/27/2025
SNOs_Map_AURA_NPP_20250127.jpg

Download SNOs between AURA and NPP since TLE EPOCH: 01/27/2025 in txt file.

Historial Predications of SNOs between AURA and NPP