Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 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)
 12/11/2023   00:04:08   ( -76.05,  -5.41) 12/11/2023   00:02:57  ( -76.04,  -6.91)   40.28                71
 12/11/2023   00:54:59   (  76.23, 161.22) 12/11/2023   00:53:51  (  76.25, 161.15)    2.79                68
 12/11/2023   01:45:44   ( -76.26, -31.57) 12/11/2023   01:44:50  ( -76.28, -31.49)    2.86                54
 12/11/2023   02:36:31   (  76.27, 135.71) 12/11/2023   02:35:49  (  76.28, 135.76)    1.48                42
 12/11/2023   03:27:15   ( -76.26, -56.92) 12/11/2023   03:26:49  ( -76.26, -57.05)    3.41                26
 12/11/2023   04:18:02   (  76.27, 110.35) 12/11/2023   04:17:47  (  76.30, 110.36)    4.23                15
 12/11/2023   05:08:47   ( -76.29, -82.44) 12/11/2023   05:08:47  ( -76.29, -82.44)    0.72                 0
 12/11/2023   05:59:34   (  76.30,  84.84) 12/11/2023   05:59:46  (  76.28,  84.79)    2.39                12
 12/11/2023   06:50:18   ( -76.29,-107.79) 12/11/2023   06:50:45  ( -76.31,-107.84)    3.18                27
 12/11/2023   07:41:05   (  76.30,  59.48) 12/11/2023   07:41:44  (  76.31,  59.40)    2.72                39
 12/11/2023   08:31:50   ( -76.32,-133.31) 12/11/2023   08:32:43  ( -76.34,-133.23)    2.52                53
 12/11/2023   09:22:37   (  76.33,  33.97) 12/11/2023   09:23:42  (  76.33,  34.00)    0.89                65
 12/11/2023   10:13:26   ( -76.54,-159.50) 12/11/2023   10:14:37  ( -76.54,-157.94)   40.25                71