Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and LANDSAT-9 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 12/24/2024
Index Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Date (LANDSAT-9) Time (LANDSAT-9) Lat,Lon (LANDSAT-9) SZA (LANDSAT-9 ) Distance(km) Time Diff (sec)
1 12/25/2024 22:49:51 -70.04, 13.88 86.67 12/25/2024 22:50:22 -70.04, 13.81 86.68 2.74 31
2 12/25/2024 23:40:35 69.93,-178.64 93.21 12/25/2024 23:39:49 69.94,-178.69 93.22 2.30 46
3 12/28/2024 14:16:09 70.19, -37.90 93.37 12/28/2024 14:17:20 70.16, -37.77 93.33 5.76 71
4 12/28/2024 15:06:50 -70.03, 129.65 86.80 12/28/2024 15:06:50 -70.05, 129.71 86.79 2.90 0
5 12/28/2024 15:57:32 69.82, -62.71 92.98 12/28/2024 15:56:19 69.83, -62.95 93.01 9.37 73
6 12/31/2024 06:33:06 70.09, 78.01 93.09 12/31/2024 06:33:49 70.06, 77.98 93.06 3.14 43
7 12/31/2024 07:23:48 -69.98,-114.51 87.03 12/31/2024 07:23:19 -69.96,-114.54 87.05 3.12 29
8 01/02/2025 21:59:31 -70.73, 25.44 86.46 01/02/2025 22:00:40 -70.63, 27.05 86.62 60.43 69
9 01/02/2025 22:50:03 70.01,-166.10 92.78 01/02/2025 22:50:16 70.02,-166.18 92.80 3.67 13
10 01/02/2025 23:40:46 -69.95, 1.30 87.29 01/02/2025 23:39:46 -69.92, 1.30 87.31 3.03 60
11 01/05/2025 14:16:17 -70.13, 142.15 87.37 01/05/2025 14:17:14 -70.11, 142.18 87.40 3.26 57
12 01/05/2025 15:07:00 69.99, -50.32 92.48 01/05/2025 15:06:41 69.99, -50.34 92.48 0.85 19

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/24/2024
SNOs_Map_NPP_LANDSAT-9_20241224.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 12/24/2024 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9