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: 5/11/2024
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 05/13/2024 05:42:29 70.67, 89.86 52.10 05/13/2024 05:43:39 70.59, 91.02 51.99 43.67 70
2 05/13/2024 06:33:03 -70.15,-102.00 128.45 05/13/2024 06:33:15 -70.15,-101.99 128.46 0.79 12
3 05/13/2024 07:23:47 70.05, 65.47 51.44 05/13/2024 07:22:42 70.04, 65.50 51.43 1.48 65
4 05/15/2024 21:59:13 70.23,-153.66 51.01 05/15/2024 22:00:11 70.24,-153.61 51.01 2.20 58
5 05/15/2024 22:49:55 -70.13, 13.81 129.11 05/15/2024 22:49:41 -70.13, 13.87 129.11 2.12 14
6 05/15/2024 23:40:27 69.39,-177.79 50.13 05/15/2024 23:39:18 69.47,-179.40 50.24 63.68 69
7 05/18/2024 14:16:03 70.18, -37.80 50.36 05/18/2024 14:16:35 70.20, -37.78 50.37 2.12 32
8 05/18/2024 15:06:45 -70.08, 129.68 129.76 05/18/2024 15:06:05 -70.09, 129.70 129.74 1.71 40
9 05/21/2024 05:42:17 -70.61, -90.01 129.74 05/21/2024 05:43:28 -70.47, -89.13 129.91 36.29 71
10 05/21/2024 06:32:54 70.15, 78.03 49.78 05/21/2024 06:32:59 70.13, 78.03 49.76 2.06 5
11 05/21/2024 07:23:36 -70.04,-114.49 130.34 05/21/2024 07:22:29 -70.03,-114.49 130.36 2.10 67
12 05/23/2024 21:59:01 -70.23, 26.37 130.65 05/23/2024 21:59:54 -70.22, 26.42 130.67 2.19 53
13 05/23/2024 22:49:44 70.09,-166.10 49.20 05/23/2024 22:49:21 70.10,-166.11 49.21 1.16 23

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/11/2024
SNOs_Map_NPP_LANDSAT-9_20240511.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 05/11/2024 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9