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: 8/4/2025
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 08/04/2025 08:22:31 -81.15, 156.01 108.48 08/04/2025 08:21:32 -81.15, 156.20 108.47 3.23 59
2 08/04/2025 09:11:50 81.15, -36.19 71.51 08/04/2025 09:12:16 81.16, -36.01 71.47 3.14 26
3 08/06/2025 19:34:01 -81.16, -11.56 107.87 08/06/2025 19:33:56 -81.16, -11.43 107.89 2.27 5
4 08/09/2025 05:56:12 81.14, 12.60 72.84 08/09/2025 05:55:38 81.14, 12.53 72.88 1.28 34
5 08/09/2025 06:45:31 -81.16,-179.37 107.20 08/09/2025 06:46:21 -81.16,-179.47 107.22 1.69 50
6 08/11/2025 16:18:22 -81.15, 37.18 106.49 08/11/2025 16:17:18 -81.14, 37.12 106.44 1.20 64
7 08/11/2025 17:07:41 81.15,-155.09 73.52 08/11/2025 17:08:02 81.15,-155.20 73.53 1.86 21
8 08/14/2025 03:29:50 -81.16,-130.36 105.81 08/14/2025 03:29:41 -81.16,-130.22 105.82 2.26 9
9 08/16/2025 13:51:59 81.14,-106.21 74.98 08/16/2025 13:51:22 81.15,-106.09 74.98 2.07 37

Figure of AURA and NPP satellite orbits during SNOs since TLE Epoch: 8/4/2025
SNOs_Map_AURA_NPP_20250804.jpg

Download SNOs between AURA and NPP since TLE EPOCH: 08/04/2025 in txt file.

Historial Predications of SNOs between AURA and NPP