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: 10/20/2025
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 10/21/2025 08:11:29 81.17, -19.29 98.06 10/21/2025 08:10:31 81.17, -19.40 98.11 1.85 58
2 10/21/2025 09:00:48 -81.18, 148.60 81.96 10/21/2025 09:01:15 -81.18, 148.44 81.95 2.76 27
3 10/23/2025 18:33:06 -81.18, 5.44 81.13 10/23/2025 18:32:14 -81.17, 5.25 81.07 3.14 52
4 10/23/2025 19:22:24 81.19, 173.33 98.86 10/23/2025 19:22:57 81.19, 173.18 98.86 2.56 33
5 10/26/2025 04:54:40 81.19, 30.35 99.66 10/26/2025 04:53:55 81.19, 30.32 99.69 0.80 45
6 10/26/2025 05:43:59 -81.20,-161.74 80.37 10/26/2025 05:44:39 -81.20,-161.86 80.38 2.25 40
7 10/28/2025 15:16:15 -81.18, 54.76 79.52 10/28/2025 15:15:38 -81.18, 54.84 79.51 1.50 37
8 10/28/2025 16:05:32 81.21,-137.02 100.42 10/28/2025 16:06:20 81.20,-136.84 100.37 3.19 48
9 10/31/2025 01:37:46 81.19, 79.66 101.23 10/31/2025 01:37:19 81.19, 79.80 101.23 2.43 27
10 10/31/2025 02:27:05 -81.21,-112.41 78.80 10/31/2025 02:28:03 -81.20,-112.39 78.84 0.45 58
11 11/02/2025 11:59:17 -81.20, 104.49 78.04 11/02/2025 11:59:01 -81.20, 104.56 78.04 1.31 16

Figure of AURA and NPP satellite orbits during SNOs since TLE Epoch: 10/20/2025
SNOs_Map_AURA_NPP_20251021.jpg

Download SNOs between AURA and NPP since TLE EPOCH: 10/20/2025 in txt file.

Historial Predications of SNOs between AURA and NPP