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: 6/7/2023
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 06/09/2023 13:26:23 70.40, -25.18 47.40 06/09/2023 13:27:04 70.41, -25.16 47.40 0.82 41
2 06/09/2023 14:17:05 -70.31, 142.29 132.70 06/09/2023 14:16:34 -70.29, 142.31 132.72 2.19 31
3 06/12/2023 04:52:44 -71.22, -78.06 131.94 06/12/2023 04:53:51 -71.16, -75.78 132.06 82.17 67
4 06/12/2023 05:43:13 70.33, 90.71 47.13 06/12/2023 05:43:31 70.35, 90.63 47.15 3.25 18
5 06/12/2023 06:33:55 -70.24,-101.83 132.97 06/12/2023 06:33:01 -70.23,-101.89 132.97 2.60 54
6 06/14/2023 21:09:21 -70.43, 39.03 132.91 06/14/2023 21:10:31 -70.42, 38.99 132.92 1.64 70
7 06/14/2023 22:00:05 70.32,-153.50 46.98 06/14/2023 21:59:58 70.31,-153.53 46.97 1.57 7
8 06/14/2023 22:50:43 -70.02, 14.29 133.34 06/14/2023 22:49:30 -70.10, 13.79 133.24 20.98 73
9 06/17/2023 13:26:13 -70.42, 154.81 133.01 06/17/2023 13:26:57 -70.43, 154.87 133.02 2.31 44
10 06/17/2023 14:16:57 70.32, -37.72 46.88 06/17/2023 14:16:24 70.31, -37.65 46.88 2.77 33
11 06/20/2023 04:52:35 71.15, 102.07 47.71 06/20/2023 04:53:43 71.05, 104.08 47.55 73.22 68
12 06/20/2023 05:43:04 -70.37, -89.33 133.11 06/20/2023 05:43:24 -70.35, -89.35 133.14 2.64 20
13 06/20/2023 06:33:48 70.27, 78.13 46.79 06/20/2023 06:32:50 70.29, 78.20 46.81 3.04 58

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/7/2023
SNOs_Map_NPP_LANDSAT-9_20230607.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 06/07/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9