Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 12 9.  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   00:04:09   ( -76.08,  -5.54) 12/11/2023   00:02:57  ( -76.04,  -6.89)   36.27                72
 12/11/2023   00:55:00   (  76.27, 161.09) 12/11/2023   00:53:51  (  76.26, 161.19)    2.61                69
 12/11/2023   01:45:44   ( -76.26, -31.54) 12/11/2023   01:44:51  ( -76.24, -31.63)    2.66                53
 12/11/2023   02:36:31   (  76.26, 135.74) 12/11/2023   02:35:49  (  76.29, 135.79)    2.96                42
 12/11/2023   03:27:16   ( -76.29, -57.06) 12/11/2023   03:26:49  ( -76.27, -57.02)    2.91                27
 12/11/2023   04:18:03   (  76.30, 110.22) 12/11/2023   04:17:48  (  76.27, 110.22)    3.67                15
 12/11/2023   05:08:47   ( -76.29, -82.41) 12/11/2023   05:08:47  ( -76.30, -82.42)    0.90                 0
 12/11/2023   05:59:34   (  76.29,  84.87) 12/11/2023   05:59:46  (  76.29,  84.83)    1.19                12
 12/11/2023   06:50:19   ( -76.32,-107.93) 12/11/2023   06:50:45  ( -76.32,-107.81)    3.07                26
 12/11/2023   07:41:06   (  76.33,  59.35) 12/11/2023   07:41:44  (  76.32,  59.43)    2.53                38
 12/11/2023   08:31:50   ( -76.32,-133.28) 12/11/2023   08:32:44  ( -76.30,-133.38)    3.00                54
 12/11/2023   09:22:37   (  76.32,  34.00) 12/11/2023   09:23:42  (  76.34,  34.03)    2.16                65
 12/11/2023   10:13:27   ( -76.58,-159.64) 12/11/2023   10:14:37  ( -76.54,-157.92)   44.71                70