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: 6/3/2023
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 06/04/2023 04:52:50 71.06, 102.21 48.61 06/04/2023 04:53:59 70.93, 103.87 48.44 61.79 69
2 06/04/2023 05:43:21 -70.39, -89.38 132.09 06/04/2023 05:43:37 -70.38, -89.33 132.11 2.38 16
3 06/04/2023 06:34:05 70.28, 78.10 47.79 06/04/2023 06:33:04 70.28, 78.17 47.79 2.75 61
4 06/06/2023 21:09:31 70.45,-141.02 47.69 06/06/2023 21:10:36 70.42,-141.01 47.66 2.40 65
5 06/06/2023 22:00:12 -70.30, 26.53 132.47 06/06/2023 22:00:06 -70.31, 26.46 132.46 3.05 6
6 06/06/2023 22:50:49 69.82,-165.43 47.03 06/06/2023 22:49:39 69.88,-166.52 47.12 41.92 70
7 06/09/2023 13:26:22 70.37, -25.12 47.36 06/09/2023 13:27:04 70.39, -25.19 47.38 3.37 42
8 06/09/2023 14:17:04 -70.27, 142.35 132.74 06/09/2023 14:16:34 -70.28, 142.29 132.73 2.46 30
9 06/12/2023 04:52:45 -71.23, -78.08 131.93 06/12/2023 04:53:52 -71.14, -75.80 132.08 82.13 67
10 06/12/2023 05:43:14 70.35, 90.69 47.15 06/12/2023 05:43:31 70.38, 90.68 47.18 3.47 17
11 06/12/2023 06:33:56 -70.25,-101.84 132.96 06/12/2023 06:33:01 -70.27,-101.84 132.93 2.62 55
12 06/14/2023 21:09:21 -70.43, 39.02 132.91 06/14/2023 21:10:30 -70.46, 39.04 132.89 3.11 69
13 06/14/2023 22:00:05 70.33,-153.52 46.99 06/14/2023 21:59:57 70.35,-153.48 47.00 1.80 8
14 06/14/2023 22:50:43 -70.02, 14.28 133.34 06/14/2023 22:49:30 -70.08, 13.76 133.26 20.56 73

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/3/2023
SNOs_Map_NPP_LANDSAT-9_20230603.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 06/03/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9