Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 12 7.  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   ( -78.61, 136.17) 12/09/2020   13:08:56  ( -78.64, 131.73)   97.43                63
 12/09/2020   14:00:53   (  78.96, -58.77) 12/09/2020   13:59:44  (  78.95, -58.73)    1.43                69
 12/09/2020   14:51:37   ( -78.94, 108.65) 12/09/2020   14:50:47  ( -78.96, 108.61)    2.30                50
 12/09/2020   15:42:22   (  78.96, -84.14) 12/09/2020   15:41:44  (  78.96, -84.10)    1.00                38
 12/09/2020   16:33:07   ( -78.97,  83.04) 12/09/2020   16:32:47  ( -78.97,  83.23)    3.96                20
 12/09/2020   17:23:51   (  78.95,-109.51) 12/09/2020   17:23:44  (  78.98,-109.48)    2.53                 7
 12/09/2020   18:14:36   ( -78.97,  57.67) 12/09/2020   18:14:48  ( -78.96,  57.59)    2.77                12
 12/09/2020   19:05:21   (  78.99,-135.12) 12/09/2020   19:05:45  (  78.96,-135.11)    3.37                24
 12/09/2020   19:56:05   ( -78.97,  32.31) 12/09/2020   19:56:48  ( -78.97,  32.21)    2.11                43
 12/09/2020   20:46:50   (  78.99,-160.49) 12/09/2020   20:47:45  (  78.98,-160.49)    1.59                55
 12/09/2020   21:37:34   ( -78.97,   6.94) 12/09/2020   21:38:48  ( -78.99,   6.83)    2.69                74