Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 1 12.  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)
 01/16/2023   21:15:00   ( -76.91,  29.13) 01/16/2023   21:13:46  ( -76.90,  29.10)    1.67                74
 01/16/2023   22:05:46   (  76.92,-163.56) 01/16/2023   22:04:42  (  76.92,-163.57)    0.11                64
 01/16/2023   22:56:32   ( -76.93,   3.70) 01/16/2023   22:55:45  ( -76.92,   3.70)    0.60                47
 01/16/2023   23:47:18   (  76.93, 171.00) 01/16/2023   23:46:41  (  76.94, 171.03)    1.16                37
 01/17/2023   00:38:04   ( -76.94, -21.74) 01/17/2023   00:37:44  ( -76.94, -21.71)    0.78                20
 01/17/2023   01:28:50   (  76.94, 145.56) 01/17/2023   01:28:40  (  76.96, 145.63)    2.41                10
 01/17/2023   02:19:36   ( -76.95, -47.17) 01/17/2023   02:19:43  ( -76.96, -47.11)    1.88                 7
 01/17/2023   03:10:22   (  76.96, 120.13) 01/17/2023   03:10:40  (  76.94, 120.04)    2.92                18
 01/17/2023   04:01:08   ( -76.97, -72.61) 01/17/2023   04:01:42  ( -76.98, -72.52)    3.03                34
 01/17/2023   04:51:54   (  76.97,  94.69) 01/17/2023   04:52:39  (  76.96,  94.64)    1.66                45
 01/17/2023   05:42:40   ( -76.98, -98.05) 01/17/2023   05:43:42  ( -76.96, -98.11)    2.43                62
 01/17/2023   06:33:26   (  76.98,  69.25) 01/17/2023   06:34:38  (  76.98,  69.24)    0.40                72