Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between AQUA and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/23/2025
Index Date (AQUA) Time (AQUA) Lat,Lon (AQUA) SZA (AQUA ) Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Distance(km) Time Diff (sec)
1 10/25/2025 16:13:02 -81.25, 53.76 82.29 10/25/2025 16:12:07 -81.25, 53.64 82.25 2.06 55
2 10/25/2025 17:02:19 81.25,-138.64 97.73 10/25/2025 17:02:51 81.25,-138.73 97.73 1.47 32
3 10/28/2025 01:43:16 -81.24, -88.95 81.48 10/28/2025 01:43:04 -81.25, -88.88 81.48 1.46 12
4 10/30/2025 10:24:10 81.24, -39.03 99.28 10/30/2025 10:23:17 81.25, -39.20 99.33 3.00 53
5 10/30/2025 11:13:28 -81.24, 128.65 80.72 10/30/2025 11:14:01 -81.25, 128.55 80.72 1.72 33
6 11/01/2025 19:54:21 81.24, 178.48 100.03 11/01/2025 19:54:13 81.25, 178.56 100.02 1.36 8
7 11/04/2025 04:35:14 -81.25,-131.58 79.26 11/04/2025 04:34:26 -81.25,-131.77 79.21 3.18 48
8 11/04/2025 05:24:31 81.24, 35.92 100.77 11/04/2025 05:25:10 81.24, 35.88 100.76 0.97 39

Figure of AQUA and NPP satellite orbits during SNOs since TLE Epoch: 10/23/2025
SNOs_Map_AQUA_NPP_20251024.jpg

Download SNOs between AQUA and NPP since TLE EPOCH: 10/23/2025 in txt file.

Historial Predications of SNOs between AQUA and NPP