Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 6 17.  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)
 06/21/2023   08:17:00   ( -76.07,-131.25) 06/21/2023   08:15:56  ( -76.07,-134.94)   98.82                64
 06/21/2023   09:07:57   (  76.56,  34.26) 06/21/2023   09:06:47  (  76.59,  34.29)    3.36                70
 06/21/2023   09:58:43   ( -76.58,-158.53) 06/21/2023   09:57:44  ( -76.56,-158.57)    3.19                59
 06/21/2023   10:49:29   (  76.58,   8.79) 06/21/2023   10:48:46  (  76.59,   8.80)    1.09                43
 06/21/2023   11:40:15   ( -76.61, 176.00) 06/21/2023   11:39:42  ( -76.60, 176.12)    2.93                33
 06/21/2023   12:31:01   (  76.60, -16.68) 06/21/2023   12:30:45  (  76.59, -16.68)    1.18                16
 06/21/2023   13:21:46   ( -76.58, 150.71) 06/21/2023   13:21:41  ( -76.60, 150.63)    2.96                 5
 06/21/2023   14:12:33   (  76.63, -42.14) 06/21/2023   14:12:44  (  76.59, -42.17)    3.44                11
 06/21/2023   15:03:18   ( -76.61, 125.24) 06/21/2023   15:03:40  ( -76.61, 125.14)    2.52                22
 06/21/2023   15:54:05   (  76.65, -67.61) 06/21/2023   15:54:42  (  76.64, -67.48)    3.57                37
 06/21/2023   16:44:49   ( -76.63,  99.77) 06/21/2023   16:45:37  ( -76.65,  99.83)    2.84                48
 06/21/2023   17:35:35   (  76.63, -92.91) 06/21/2023   17:36:40  (  76.64, -92.96)    2.32                65
 06/21/2023   18:26:22   ( -76.69,  74.13) 06/21/2023   18:27:36  ( -76.65,  74.35)    7.25                74