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: 10/8/2025
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 10/09/2025 04:23:07 -81.17,-142.52 86.23 10/09/2025 04:21:57 -81.17,-142.40 86.20 2.07 70
2 10/09/2025 05:12:25 81.18, 25.43 93.75 10/09/2025 05:12:40 81.18, 25.44 93.74 0.24 15
3 10/11/2025 14:44:48 81.18,-117.63 94.62 10/11/2025 14:43:38 81.18,-117.47 94.64 2.70 70
4 10/11/2025 15:34:08 -81.18, 49.95 85.36 10/11/2025 15:34:23 -81.19, 50.09 85.39 2.46 15
5 10/14/2025 01:06:31 -81.18, -93.13 84.50 10/14/2025 01:05:23 -81.17, -93.25 84.44 2.09 68
6 10/14/2025 01:55:49 81.19, 74.76 95.49 10/14/2025 01:56:06 81.18, 74.58 95.50 3.12 17
7 10/16/2025 11:28:11 81.18, -68.39 96.35 10/16/2025 11:27:05 81.18, -68.43 96.40 0.81 66
8 10/16/2025 12:17:31 -81.18, 99.22 83.64 10/16/2025 12:17:50 -81.18, 99.13 83.63 1.63 19
9 10/18/2025 21:49:52 -81.17, -43.96 82.78 10/18/2025 21:48:49 -81.18, -43.93 82.74 0.69 63
10 10/18/2025 22:39:09 81.20, 124.25 97.17 10/18/2025 22:39:31 81.20, 124.28 97.15 0.82 22
11 10/21/2025 08:11:29 81.19, -18.99 98.03 10/21/2025 08:10:30 81.19, -18.83 98.04 2.84 59

Figure of AURA and NPP satellite orbits during SNOs since TLE Epoch: 10/8/2025
SNOs_Map_AURA_NPP_20251008.jpg

Download SNOs between AURA and NPP since TLE EPOCH: 10/08/2025 in txt file.

Historial Predications of SNOs between AURA and NPP