Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 12 4.  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   13:10:00   ( -78.62, 136.09) 12/09/2020   13:08:57  ( -78.63, 131.65)   97.43                63
 12/09/2020   14:00:53   (  78.94, -58.63) 12/09/2020   13:59:44  (  78.96, -58.58)    3.40                69
 12/09/2020   14:51:38   ( -78.95, 108.56) 12/09/2020   14:50:48  ( -78.95, 108.51)    1.33                50
 12/09/2020   15:42:23   (  78.97, -84.24) 12/09/2020   15:41:45  (  78.95, -84.21)    2.72                38
 12/09/2020   16:33:07   ( -78.95,  83.20) 12/09/2020   16:32:48  ( -78.96,  83.13)    1.66                19
 12/09/2020   17:23:52   (  78.97,-109.61) 12/09/2020   17:23:45  (  78.96,-109.59)    0.98                 7
 12/09/2020   18:14:36   ( -78.95,  57.83) 12/09/2020   18:14:48  ( -78.98,  57.75)    3.12                12
 12/09/2020   19:05:21   (  78.97,-134.98) 12/09/2020   19:05:45  (  78.98,-134.97)    0.95                24
 12/09/2020   19:56:06   ( -78.99,  32.21) 12/09/2020   19:56:48  ( -78.99,  32.37)    3.38                42
 12/09/2020   20:46:50   (  78.97,-160.35) 12/09/2020   20:47:45  (  78.99,-160.34)    2.67                55
 12/09/2020   21:37:35   ( -78.99,   6.85) 12/09/2020   21:38:49  ( -78.97,   6.73)    2.84                74