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: 9/5/2025
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 09/07/2025 12:49:18 -81.16, 90.19 97.78 09/07/2025 12:48:33 -81.17, 90.35 97.78 2.86 45
2 09/07/2025 13:38:36 81.19,-101.72 82.18 09/07/2025 13:39:16 81.18,-101.72 82.15 0.49 40
3 09/09/2025 23:11:17 81.16, 114.72 83.09 09/09/2025 23:10:19 81.16, 114.55 83.15 2.82 58
4 09/10/2025 00:00:36 -81.18, -77.30 96.94 09/10/2025 00:01:02 -81.18, -77.16 96.98 2.45 26
5 09/12/2025 09:33:16 -81.15, 139.12 96.02 09/12/2025 09:32:05 -81.16, 139.11 95.97 0.50 71
6 09/12/2025 10:22:34 81.17, -52.86 83.95 09/12/2025 10:22:48 81.17, -53.05 83.97 3.25 14
7 09/14/2025 20:44:30 -81.18, -28.11 95.19 09/14/2025 20:44:32 -81.18, -28.13 95.19 0.67 2
8 09/17/2025 07:06:26 81.17, -3.82 85.74 09/17/2025 07:06:17 81.17, -3.81 85.74 0.52 9
9 09/19/2025 17:28:21 -81.18, 20.87 93.39 09/19/2025 17:28:03 -81.17, 20.69 93.36 3.18 18

Figure of AURA and NPP satellite orbits during SNOs since TLE Epoch: 9/5/2025
SNOs_Map_AURA_NPP_20250906.jpg

Download SNOs between AURA and NPP since TLE EPOCH: 09/05/2025 in txt file.

Historial Predications of SNOs between AURA and NPP