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: 8/19/2024
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 08/19/2024 21:59:10 70.30,-153.83 57.90 08/19/2024 22:00:21 70.25,-153.49 57.83 13.76 71
2 08/19/2024 22:49:49 -70.06, 13.87 122.34 08/19/2024 22:49:53 -70.03, 13.83 122.37 3.16 4
3 08/19/2024 23:40:33 69.94,-178.64 57.54 08/19/2024 23:39:20 69.93,-178.67 57.55 1.02 73
4 08/22/2024 14:16:01 70.13, -37.78 58.61 08/22/2024 14:16:55 70.14, -37.78 58.61 1.31 54
5 08/22/2024 15:06:43 -70.04, 129.67 121.48 08/22/2024 15:06:25 -70.03, 129.70 121.49 1.25 18
6 08/22/2024 15:57:13 69.18, -61.76 57.65 08/22/2024 15:56:05 69.21, -63.78 57.74 79.60 68
7 08/25/2024 06:32:55 70.13, 77.99 59.52 08/25/2024 06:33:26 70.12, 78.07 59.50 3.06 31
8 08/25/2024 07:23:36 -69.98,-114.47 120.62 08/25/2024 07:22:57 -69.96,-114.53 120.64 3.49 39
9 08/27/2024 21:59:13 -70.67, 25.60 119.00 08/27/2024 22:00:23 -70.52, 26.90 119.19 50.51 70
10 08/27/2024 22:49:47 70.04,-166.10 60.36 08/27/2024 22:49:57 70.03,-166.17 60.35 3.11 10
11 08/27/2024 23:40:29 -69.94, 1.37 119.73 08/27/2024 23:39:27 -69.92, 1.31 119.74 2.79 62
12 08/30/2024 14:15:55 -70.12, 142.24 118.62 08/30/2024 14:16:57 -70.15, 142.24 118.60 3.10 62
13 08/30/2024 15:06:39 70.02, -50.30 61.30 08/30/2024 15:06:24 70.04, -50.27 61.31 1.64 15
14 08/30/2024 15:57:12 -69.44, 117.87 119.30 08/30/2024 15:56:02 -69.49, 116.61 119.21 49.60 70

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/19/2024
SNOs_Map_NPP_LANDSAT-9_20240819.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 08/19/2024 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9