Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 12 8.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(NOAA-19) NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 12/09/2020   13:09:59   ( -78.62, 136.11) 12/09/2020   13:08:56  ( -78.63, 131.69)   97.02                63
 12/09/2020   14:00:53   (  78.96, -58.83) 12/09/2020   13:59:44  (  78.94, -58.77)    2.95                69
 12/09/2020   14:51:37   ( -78.95, 108.59) 12/09/2020   14:50:47  ( -78.95, 108.56)    0.74                50
 12/09/2020   15:42:22   (  78.96, -84.20) 12/09/2020   15:41:44  (  78.96, -84.15)    1.42                38
 12/09/2020   16:33:06   ( -78.95,  83.22) 12/09/2020   16:32:47  ( -78.97,  83.18)    2.25                19
 12/09/2020   17:23:51   (  78.96,-109.57) 12/09/2020   17:23:44  (  78.97,-109.52)    1.31                 7
 12/09/2020   18:14:35   ( -78.95,  57.85) 12/09/2020   18:14:47  ( -78.98,  57.80)    3.94                12
 12/09/2020   19:05:20   (  78.96,-134.94) 12/09/2020   19:05:44  (  78.99,-134.90)    2.78                24
 12/09/2020   19:56:05   ( -78.98,  32.24) 12/09/2020   19:56:48  ( -78.96,  32.16)    2.71                43
 12/09/2020   20:46:50   (  79.00,-160.55) 12/09/2020   20:47:45  (  78.97,-160.53)    3.19                55
 12/09/2020   21:37:34   ( -78.98,   6.87) 12/09/2020   21:38:48  ( -78.98,   6.78)    1.98                74