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: 10/18/2025
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 10/18/2025 21:49:51 -81.18, -43.80 82.80 10/18/2025 21:48:48 -81.18, -43.74 82.77 0.88 63
2 10/18/2025 22:39:09 81.19, 124.13 97.19 10/18/2025 22:39:31 81.19, 124.16 97.17 0.52 22
3 10/21/2025 08:11:29 81.18, -19.17 98.05 10/21/2025 08:10:31 81.17, -19.34 98.11 3.07 58
4 10/21/2025 09:00:48 -81.19, 148.76 81.98 10/21/2025 09:01:14 -81.20, 148.90 82.01 2.43 26
5 10/23/2025 18:33:07 -81.18, 5.41 81.13 10/23/2025 18:32:14 -81.18, 5.34 81.08 1.20 53
6 10/23/2025 19:22:25 81.19, 173.28 98.87 10/23/2025 19:22:57 81.19, 173.25 98.85 0.69 32
7 10/26/2025 04:54:42 81.18, 30.21 99.67 10/26/2025 04:53:55 81.19, 30.40 99.67 3.28 47
8 10/26/2025 05:44:01 -81.20,-161.84 80.36 10/26/2025 05:44:39 -81.20,-161.75 80.39 1.54 38
9 10/28/2025 15:16:17 -81.19, 55.03 79.56 10/28/2025 15:15:38 -81.19, 54.96 79.53 1.47 39
10 10/28/2025 16:05:35 81.20,-137.14 100.44 10/28/2025 16:06:21 81.20,-137.12 100.41 0.46 46
11 10/31/2025 01:37:50 81.19, 79.65 101.23 10/31/2025 01:37:20 81.19, 79.54 101.26 1.83 30

Figure of AURA and NPP satellite orbits during SNOs since TLE Epoch: 10/18/2025
SNOs_Map_AURA_NPP_20251018.jpg

Download SNOs between AURA and NPP since TLE EPOCH: 10/18/2025 in txt file.

Historial Predications of SNOs between AURA and NPP