Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 5 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)
 05/21/2023   02:42:00   ( -76.52, -49.55) 05/21/2023   02:40:47  ( -76.50, -50.51)   25.04                73
 05/21/2023   03:32:48   (  76.62, 117.37) 05/21/2023   03:31:39  (  76.63, 117.32)    1.89                69
 05/21/2023   04:23:34   ( -76.63, -75.37) 05/21/2023   04:22:43  ( -76.63, -75.46)    2.27                51
 05/21/2023   05:14:20   (  76.65,  91.89) 05/21/2023   05:13:38  (  76.64,  91.85)    1.33                42
 05/21/2023   06:05:06   ( -76.66,-100.85) 05/21/2023   06:04:41  ( -76.68,-100.75)    3.18                25
 05/21/2023   06:55:52   (  76.67,  66.40) 05/21/2023   06:55:37  (  76.64,  66.38)    3.29                15
 05/21/2023   07:46:38   ( -76.69,-126.34) 05/21/2023   07:46:40  ( -76.68,-126.23)    2.84                 2
 05/21/2023   08:37:23   (  76.66,  41.09) 05/21/2023   08:37:35  (  76.69,  41.09)    4.12                12
 05/21/2023   09:28:09   ( -76.67,-151.65) 05/21/2023   09:28:39  ( -76.69,-151.70)    2.48                30
 05/21/2023   10:18:55   (  76.68,  15.61) 05/21/2023   10:19:34  (  76.70,  15.61)    1.80                39
 05/21/2023   11:09:41   ( -76.70,-177.13) 05/21/2023   11:10:38  ( -76.69,-177.18)    1.19                57
 05/21/2023   12:00:27   (  76.71,  -9.87) 05/21/2023   12:01:33  (  76.70,  -9.86)    0.67                66
 05/21/2023   12:51:22   ( -77.11, 155.77) 05/21/2023   12:52:28  ( -77.08, 159.00)   80.29                66