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: 5/9/2024
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 05/10/2024 14:16:10 -70.16, 142.21 127.78 05/10/2024 14:16:47 -70.18, 142.18 127.75 3.09 37
2 05/10/2024 15:06:54 70.05, -50.31 52.11 05/10/2024 15:06:14 70.08, -50.33 52.14 3.26 40
3 05/13/2024 05:42:30 70.72, 89.78 52.15 05/13/2024 05:43:39 70.62, 91.06 52.01 48.48 69
4 05/13/2024 06:33:03 -70.15,-102.00 128.46 05/13/2024 06:33:16 -70.12,-102.03 128.48 3.15 13
5 05/13/2024 07:23:47 70.04, 65.47 51.43 05/13/2024 07:22:43 70.01, 65.46 51.41 3.42 64
6 05/15/2024 21:59:14 70.25,-153.70 51.03 05/15/2024 22:00:13 70.24,-153.62 51.01 3.31 59
7 05/15/2024 22:49:55 -70.10, 13.86 129.14 05/15/2024 22:49:44 -70.08, 13.79 129.16 3.38 11
8 05/15/2024 23:40:29 69.47,-177.90 50.20 05/15/2024 23:39:19 69.52,-179.33 50.30 56.32 70
9 05/18/2024 14:16:04 70.16, -37.78 50.34 05/18/2024 14:16:40 70.16, -37.85 50.33 2.96 36
10 05/18/2024 15:06:46 -70.05, 129.70 129.78 05/18/2024 15:06:10 -70.05, 129.63 129.78 2.71 36
11 05/21/2024 05:42:22 -70.75, -90.24 129.60 05/21/2024 05:43:32 -70.64, -88.90 129.74 50.60 70
12 05/21/2024 06:32:56 70.13, 78.05 49.76 05/21/2024 06:33:06 70.14, 78.01 49.77 1.81 10
13 05/21/2024 07:23:38 -70.02,-114.47 130.37 05/21/2024 07:22:36 -70.04,-114.50 130.35 2.34 62

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/9/2024
SNOs_Map_NPP_LANDSAT-9_20240509.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 05/09/2024 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9