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: 8/29/2025
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 08/31/2025 05:43:13 81.16, 16.49 79.69 08/31/2025 05:43:16 81.16, 16.37 79.71 2.10 3
2 09/02/2025 16:05:16 -81.17, 41.29 99.52 09/02/2025 16:05:01 -81.17, 41.43 99.53 2.41 15
3 09/02/2025 16:54:35 81.18,-150.99 80.50 09/02/2025 16:55:45 81.18,-151.00 80.45 0.35 70
4 09/05/2025 02:27:19 81.15, 65.48 81.39 09/05/2025 02:26:48 81.16, 65.41 81.42 1.22 31
5 09/05/2025 03:16:38 -81.17,-126.51 98.65 09/05/2025 03:17:32 -81.17,-126.70 98.66 3.29 54
6 09/07/2025 12:49:21 -81.15, 90.03 97.76 09/07/2025 12:48:34 -81.16, 90.10 97.74 1.32 47
7 09/07/2025 13:38:39 81.17,-101.95 82.21 09/07/2025 13:39:17 81.17,-102.04 82.20 1.59 38
8 09/09/2025 23:11:21 81.16, 114.60 83.11 09/09/2025 23:10:19 81.16, 114.67 83.14 1.32 62

Figure of AURA and NPP satellite orbits during SNOs since TLE Epoch: 8/29/2025
SNOs_Map_AURA_NPP_20250829.jpg

Download SNOs between AURA and NPP since TLE EPOCH: 08/29/2025 in txt file.

Historial Predications of SNOs between AURA and NPP