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: 3/23/2025
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 03/24/2025 23:27:26 -81.04, -74.09 92.78 03/24/2025 23:26:57 -81.04, -73.98 92.77 1.95 29
2 03/25/2025 00:16:45 81.06, 93.89 87.17 03/25/2025 00:17:41 81.06, 93.73 87.16 2.92 56
3 03/27/2025 10:39:48 -81.03, 117.69 93.74 03/27/2025 10:39:18 -81.04, 117.75 93.73 1.35 30
4 03/27/2025 11:29:05 81.07, -74.00 86.15 03/27/2025 11:29:59 81.08, -73.82 86.09 3.10 54
5 03/29/2025 21:52:05 -81.04, -50.20 94.75 03/29/2025 21:51:37 -81.04, -50.27 94.72 1.10 28
6 03/29/2025 22:41:23 81.08, 118.08 85.15 03/29/2025 22:42:19 81.08, 118.13 85.11 0.88 56
7 04/01/2025 09:04:20 -81.05, 141.87 95.74 04/01/2025 09:03:56 -81.05, 141.95 95.74 1.51 24
8 04/01/2025 09:53:39 81.06, -50.24 84.22 04/01/2025 09:54:40 81.06, -50.43 84.21 3.19 61
9 04/03/2025 20:16:32 -81.05, -26.09 96.72 04/03/2025 20:16:15 -81.06, -25.95 96.73 2.50 17

Figure of AURA and NPP satellite orbits during SNOs since TLE Epoch: 3/23/2025
SNOs_Map_AURA_NPP_20250323.jpg

Download SNOs between AURA and NPP since TLE EPOCH: 03/23/2025 in txt file.

Historial Predications of SNOs between AURA and NPP