Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 8 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)
 08/23/2023   00:31:30   ( -76.09, -14.05) 08/23/2023   00:30:22  ( -76.07, -16.68)   70.45                68
 08/23/2023   01:22:24   (  76.43, 152.03) 08/23/2023   01:21:09  (  76.41, 151.87)    4.74                75
 08/23/2023   02:13:09   ( -76.43, -40.67) 08/23/2023   02:12:12  ( -76.46, -40.69)    3.52                57
 08/23/2023   03:03:56   (  76.45, 126.56) 08/23/2023   03:03:07  (  76.45, 126.53)    0.83                49
 08/23/2023   03:54:41   ( -76.46, -66.15) 08/23/2023   03:54:11  ( -76.46, -66.20)    1.27                30
 08/23/2023   04:45:28   (  76.48, 101.07) 08/23/2023   04:45:05  (  76.49, 101.19)    3.11                23
 08/23/2023   05:36:13   ( -76.48, -91.63) 08/23/2023   05:36:09  ( -76.50, -91.54)    2.89                 4
 08/23/2023   06:27:00   (  76.51,  75.59) 08/23/2023   06:27:04  (  76.48,  75.68)    3.29                 4
 08/23/2023   07:17:45   ( -76.51,-117.11) 08/23/2023   07:18:08  ( -76.49,-117.05)    2.46                23
 08/23/2023   08:08:31   (  76.49,  50.28) 08/23/2023   08:09:03  (  76.48,  50.16)    3.24                32
 08/23/2023   08:59:16   ( -76.49,-142.42) 08/23/2023   09:00:07  ( -76.49,-142.56)    3.50                51
 08/23/2023   09:50:03   (  76.51,  24.80) 08/23/2023   09:51:01  (  76.52,  24.83)    0.72                58
 08/23/2023   10:40:50   ( -76.61,-168.24) 08/23/2023   10:42:04  ( -76.57,-167.72)   14.04                74
 08/23/2023   11:31:45   (  76.98,  -2.44) 08/23/2023   11:32:50  (  76.94,   1.11)   89.25                65