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: 6/10/2023
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 06/12/2023 04:52:45 -71.23, -78.07 131.93 06/12/2023 04:53:52 -71.15, -75.79 132.07 82.31 67
2 06/12/2023 05:43:13 70.34, 90.70 47.14 06/12/2023 05:43:31 70.34, 90.63 47.14 2.98 18
3 06/12/2023 06:33:55 -70.25,-101.84 132.96 06/12/2023 06:33:01 -70.23,-101.91 132.98 3.53 54
4 06/14/2023 21:09:21 -70.43, 39.02 132.91 06/14/2023 21:10:31 -70.42, 38.97 132.93 2.64 70
5 06/14/2023 22:00:05 70.33,-153.50 46.98 06/14/2023 21:59:58 70.31,-153.54 46.97 2.26 7
6 06/14/2023 22:50:43 -70.02, 14.28 133.34 06/14/2023 22:49:30 -70.09, 13.78 133.25 20.38 73
7 06/17/2023 13:26:13 -70.43, 154.81 133.01 06/17/2023 13:26:57 -70.42, 154.86 133.03 2.30 44
8 06/17/2023 14:16:57 70.32, -37.72 46.88 06/17/2023 14:16:24 70.31, -37.65 46.87 2.88 33
9 06/20/2023 04:52:35 71.15, 102.07 47.71 06/20/2023 04:53:43 71.05, 104.07 47.54 73.05 68
10 06/20/2023 05:43:04 -70.38, -89.34 133.11 06/20/2023 05:43:23 -70.40, -89.28 133.09 3.25 19
11 06/20/2023 06:33:48 70.27, 78.14 46.79 06/20/2023 06:32:50 70.28, 78.20 46.80 2.73 58
12 06/22/2023 21:09:13 70.43,-140.96 46.96 06/22/2023 21:10:19 70.46,-140.94 46.97 3.12 66
13 06/22/2023 21:59:54 -70.33, 26.51 133.15 06/22/2023 21:59:48 -70.35, 26.54 133.13 2.76 6
14 06/22/2023 22:50:32 69.91,-165.54 46.42 06/22/2023 22:49:20 69.96,-166.37 46.50 32.41 72

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/10/2023
SNOs_Map_NPP_LANDSAT-9_20230610.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 06/10/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9