Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 11 13.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(LANDSAT-8) LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 11/15/2022   08:17:45   ( -72.34,-124.60) 11/15/2022   08:18:36  ( -72.37,-124.61)    2.30                51
 11/15/2022   09:08:31   (  72.27,  42.84) 11/15/2022   09:08:03  (  72.28,  42.88)    1.46                28
 11/17/2022   23:45:06   (  72.31,-176.35) 11/17/2022   23:45:36  (  72.32,-176.44)    3.32                30
 11/18/2022   00:35:49   ( -72.24,  -8.89) 11/18/2022   00:35:05  ( -72.25,  -8.93)    1.64                44
 11/20/2022   14:21:52   (  72.91, -36.70) 11/20/2022   14:23:00  (  72.81, -34.90)   60.21                68
 11/20/2022   15:12:25   ( -72.33, 131.81) 11/20/2022   15:12:37  ( -72.32, 131.81)    1.29                12
 11/20/2022   16:03:10   (  72.21, -60.65) 11/20/2022   16:02:04  (  72.23, -60.71)    2.62                66
 11/23/2022   05:48:59   ( -72.38, -87.40) 11/23/2022   05:50:08  ( -72.38, -87.47)    2.28                69
 11/23/2022   06:39:45   (  72.32,  80.03) 11/23/2022   06:39:34  (  72.34,  80.10)    2.97                11
 11/23/2022   07:30:20   ( -71.84,-111.72) 11/23/2022   07:29:10  ( -71.90,-113.05)   46.46                70
 11/25/2022   21:16:20   (  72.38,-139.20) 11/25/2022   21:17:06  (  72.37,-139.22)    1.01                46
 11/25/2022   22:07:03   ( -72.30,  28.27) 11/25/2022   22:06:35  ( -72.31,  28.30)    1.42                28