Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 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)
 12/11/2023   00:04:09   ( -76.09,  -5.55) 12/11/2023   00:02:57  ( -76.05,  -6.87)   35.59                72
 12/11/2023   00:55:00   (  76.28, 161.07) 12/11/2023   00:53:51  (  76.26, 161.19)    3.53                69
 12/11/2023   01:45:44   ( -76.26, -31.55) 12/11/2023   01:44:51  ( -76.25, -31.61)    2.02                53
 12/11/2023   02:36:31   (  76.27, 135.72) 12/11/2023   02:35:49  (  76.29, 135.79)    2.74                42
 12/11/2023   03:27:16   ( -76.30, -57.07) 12/11/2023   03:26:49  ( -76.27, -57.01)    3.10                27
 12/11/2023   04:18:02   (  76.26, 110.36) 12/11/2023   04:17:48  (  76.27, 110.23)    3.68                14
 12/11/2023   05:08:47   ( -76.29, -82.42) 12/11/2023   05:08:47  ( -76.30, -82.40)    1.07                 0
 12/11/2023   05:59:34   (  76.30,  84.85) 12/11/2023   05:59:46  (  76.29,  84.83)    1.09                12
 12/11/2023   06:50:19   ( -76.33,-107.94) 12/11/2023   06:50:45  ( -76.32,-107.80)    3.77                26
 12/11/2023   07:41:05   (  76.29,  59.49) 12/11/2023   07:41:44  (  76.32,  59.43)    2.99                39
 12/11/2023   08:31:50   ( -76.32,-133.29) 12/11/2023   08:32:44  ( -76.31,-133.36)    2.48                54
 12/11/2023   09:22:37   (  76.33,  33.97) 12/11/2023   09:23:42  (  76.34,  34.03)    1.88                65
 12/11/2023   10:13:27   ( -76.58,-159.65) 12/11/2023   10:14:37  ( -76.55,-157.90)   45.43                70