Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 6 8.  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,-131.24) 06/21/2023   08:15:56  ( -76.07,-134.95)   99.21                64
 06/21/2023   09:07:57   (  76.56,  34.23) 06/21/2023   09:06:47  (  76.58,  34.25)    1.64                70
 06/21/2023   09:58:43   ( -76.58,-158.52) 06/21/2023   09:57:44  ( -76.55,-158.58)    3.35                59
 06/21/2023   10:49:29   (  76.59,   8.77) 06/21/2023   10:48:46  (  76.58,   8.77)    0.66                43
 06/21/2023   11:40:15   ( -76.60, 176.01) 06/21/2023   11:39:42  ( -76.60, 176.11)    2.56                33
 06/21/2023   12:31:01   (  76.61, -16.70) 06/21/2023   12:30:45  (  76.58, -16.72)    2.93                16
 06/21/2023   13:21:46   ( -76.58, 150.71) 06/21/2023   13:21:41  ( -76.60, 150.62)    3.20                 5
 06/21/2023   14:12:33   (  76.63, -42.17) 06/21/2023   14:12:43  (  76.63, -42.03)    3.68                10
 06/21/2023   15:03:18   ( -76.60, 125.25) 06/21/2023   15:03:40  ( -76.60, 125.13)    2.90                22
 06/21/2023   15:54:04   (  76.61, -67.46) 06/21/2023   15:54:42  (  76.63, -67.51)    2.61                38
 06/21/2023   16:44:50   ( -76.63,  99.78) 06/21/2023   16:45:38  ( -76.65,  99.82)    2.59                48
 06/21/2023   17:35:35   (  76.63, -92.93) 06/21/2023   17:36:40  (  76.63, -93.00)    1.65                65
 06/21/2023   18:26:22   ( -76.69,  74.14) 06/21/2023   18:27:36  ( -76.65,  74.34)    7.04                74