Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between FY3D and LANDSAT-8 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/19/2023
Index Date (FY3D) Time (FY3D) Lat,Lon (FY3D) SZA (FY3D ) Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Distance(km) Time Diff (sec)
1 04/19/2023 22:47:34 -73.23, 17.98 118.21 04/19/2023 22:48:45 -73.09, 18.84 118.35 31.80 71
2 04/19/2023 23:38:14 72.87,-173.93 61.43 04/19/2023 23:38:14 72.89,-173.90 61.45 2.54 0
3 04/20/2023 00:28:57 -72.81, -6.47 118.65 04/20/2023 00:27:43 -72.82, -6.40 118.64 3.14 74
4 04/22/2023 14:14:38 72.94, -33.13 60.61 04/22/2023 14:15:46 72.96, -33.16 60.63 3.18 68
5 04/22/2023 15:05:21 -72.86, 134.35 119.48 04/22/2023 15:05:15 -72.90, 134.35 119.45 3.65 6
6 04/22/2023 15:55:58 72.36, -57.30 60.01 04/22/2023 15:54:49 72.43, -58.89 60.07 54.15 69
7 04/25/2023 05:41:46 -72.98, -84.97 120.23 04/25/2023 05:42:46 -72.98, -84.88 120.23 2.94 60
8 04/25/2023 06:32:31 72.89, 82.54 59.67 04/25/2023 06:32:13 72.89, 82.58 59.67 1.32 18
9 04/25/2023 07:23:01 -72.15,-108.63 121.07 04/25/2023 07:21:54 -72.18,-111.09 121.06 83.83 67
10 04/27/2023 21:08:54 72.97,-136.70 58.92 04/27/2023 21:09:42 72.98,-136.62 58.93 2.91 48
11 04/27/2023 21:59:37 -72.89, 30.79 121.18 04/27/2023 21:59:12 -72.87, 30.79 121.20 2.27 25
12 04/30/2023 12:36:01 -72.98, 171.54 121.90 04/30/2023 12:36:41 -72.98, 171.62 121.90 2.55 40
13 04/30/2023 13:26:46 72.90, -20.98 58.01 04/30/2023 13:26:08 72.88, -20.93 57.99 2.54 38

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/19/2023
SNOs_Map_FY3D_LANDSAT-8_20230419.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 04/19/2023 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8