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: 6/16/2023
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 06/17/2023 13:26:12 -70.38, 154.87 133.05 06/17/2023 13:26:57 -70.41, 154.84 133.04 2.73 45
2 06/17/2023 14:16:57 70.32, -37.72 46.89 06/17/2023 14:16:24 70.30, -37.66 46.87 3.27 33
3 06/20/2023 04:52:35 71.15, 102.07 47.71 06/20/2023 04:53:43 71.05, 104.07 47.54 72.87 68
4 06/20/2023 05:43:04 -70.38, -89.35 133.10 06/20/2023 05:43:23 -70.39, -89.30 133.10 1.95 19
5 06/20/2023 06:33:48 70.27, 78.14 46.79 06/20/2023 06:32:50 70.28, 78.19 46.80 2.35 58
6 06/22/2023 21:09:13 70.43,-140.95 46.95 06/22/2023 21:10:19 70.46,-140.94 46.97 3.56 66
7 06/22/2023 21:59:55 -70.33, 26.51 133.15 06/22/2023 21:59:49 -70.35, 26.53 133.14 1.88 6
8 06/22/2023 22:50:33 69.91,-165.53 46.41 06/22/2023 22:49:21 69.96,-166.37 46.50 32.77 72
9 06/25/2023 13:26:03 70.38, -25.11 46.96 06/25/2023 13:26:44 70.39, -25.15 46.96 1.66 41
10 06/25/2023 14:16:45 -70.29, 142.36 133.14 06/25/2023 14:16:14 -70.28, 142.33 133.14 1.06 31
11 06/28/2023 04:52:24 -71.18, -77.95 132.10 06/28/2023 04:53:31 -71.07, -75.87 132.29 75.88 67
12 06/28/2023 05:42:54 70.35, 90.72 47.02 06/28/2023 05:43:09 70.36, 90.69 47.03 1.63 15
13 06/28/2023 06:33:36 -70.25,-101.81 133.08 06/28/2023 06:32:39 -70.25,-101.82 133.07 0.70 57

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/16/2023
SNOs_Map_NPP_LANDSAT-9_20230616.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 06/16/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9