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: 7/1/2024
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 07/02/2024 21:58:39 70.62,-154.14 47.68 07/02/2024 21:59:49 70.48,-153.14 47.50 40.18 70
2 07/02/2024 22:49:13 -70.12, 13.97 132.85 07/02/2024 22:49:24 -70.10, 13.93 132.87 2.74 11
3 07/02/2024 23:39:57 69.99,-178.53 47.02 07/02/2024 23:38:51 70.00,-178.56 47.04 1.79 66
4 07/05/2024 14:15:29 70.19, -37.71 47.48 07/05/2024 14:16:26 70.20, -37.67 47.48 2.18 57
5 07/05/2024 15:06:11 -70.11, 129.73 132.61 07/05/2024 15:05:56 -70.10, 129.81 132.62 2.99 15
6 07/05/2024 15:56:43 69.34, -61.83 46.60 07/05/2024 15:55:34 69.39, -63.53 46.72 66.83 69
7 07/08/2024 06:32:27 70.14, 78.12 47.72 07/08/2024 06:32:59 70.16, 78.14 47.74 2.80 32
8 07/08/2024 07:23:09 -70.06,-114.44 132.37 07/08/2024 07:22:29 -70.06,-114.38 132.36 2.31 40
9 07/10/2024 21:58:49 -70.65, 25.77 131.41 07/10/2024 21:59:59 -70.52, 26.89 131.59 43.89 70
10 07/10/2024 22:49:25 70.10,-166.07 48.02 07/10/2024 22:49:32 70.08,-166.10 48.00 2.30 7
11 07/10/2024 23:40:06 -69.96, 1.46 132.12 07/10/2024 23:39:02 -69.98, 1.39 132.09 3.37 64
12 07/13/2024 14:15:39 -70.20, 142.23 131.50 07/13/2024 14:16:36 -70.19, 142.28 131.53 2.09 57
13 07/13/2024 15:06:23 70.07, -50.27 48.38 07/13/2024 15:06:03 70.07, -50.24 48.38 1.27 20

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/1/2024
SNOs_Map_NPP_LANDSAT-9_20240701.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 07/01/2024 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9