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: 10/9/2025
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 04:23:06 -81.18,-142.28 86.26 10/09/2025 04:21:56 -81.18,-142.14 86.24 2.43 70
2 10/09/2025 05:12:24 81.20, 25.68 93.72 10/09/2025 05:12:39 81.19, 25.71 93.70 0.81 15
3 10/11/2025 14:44:49 81.18,-117.72 94.63 10/11/2025 14:43:39 81.18,-117.58 94.65 2.44 70
4 10/11/2025 15:34:08 -81.19, 50.22 85.40 10/11/2025 15:34:23 -81.19, 50.35 85.43 2.21 15
5 10/14/2025 01:06:32 -81.17, -93.16 84.50 10/14/2025 01:05:23 -81.18, -92.97 84.48 3.28 69
6 10/14/2025 01:55:50 81.19, 74.74 95.49 10/14/2025 01:56:06 81.19, 74.86 95.46 2.21 16
7 10/16/2025 11:28:11 81.19, -68.31 96.34 10/16/2025 11:27:04 81.18, -68.13 96.35 3.10 67
8 10/16/2025 12:17:31 -81.18, 99.29 83.64 10/16/2025 12:17:49 -81.19, 99.42 83.67 2.28 18
9 10/18/2025 21:49:52 -81.18, -43.75 82.81 10/18/2025 21:48:48 -81.18, -43.62 82.79 2.14 64
10 10/18/2025 22:39:10 81.19, 124.10 97.19 10/18/2025 22:39:31 81.19, 124.21 97.16 1.98 21
11 10/21/2025 08:11:31 81.17, -19.35 98.07 10/21/2025 08:10:31 81.18, -19.26 98.10 1.76 60

Figure of AURA and NPP satellite orbits during SNOs since TLE Epoch: 10/9/2025
SNOs_Map_AURA_NPP_20251009.jpg

Download SNOs between AURA and NPP since TLE EPOCH: 10/09/2025 in txt file.

Historial Predications of SNOs between AURA and NPP