Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 4 18.  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)
 04/20/2023   00:30:19   ( -76.68, -17.65) 04/20/2023   00:29:04  ( -76.71, -17.66)    3.22                75
 04/20/2023   01:21:06   (  76.69, 149.61) 04/20/2023   01:19:59  (  76.69, 149.54)    1.71                67
 04/20/2023   02:11:51   ( -76.70, -43.12) 04/20/2023   02:11:03  ( -76.72, -43.11)    1.63                48
 04/20/2023   03:02:38   (  76.72, 124.13) 04/20/2023   03:01:58  (  76.70, 124.08)    2.23                40
 04/20/2023   03:53:23   ( -76.73, -68.60) 04/20/2023   03:53:02  ( -76.73, -68.57)    0.77                21
 04/20/2023   04:44:10   (  76.74,  98.66) 04/20/2023   04:43:57  (  76.71,  98.62)    3.63                13
 04/20/2023   05:34:55   ( -76.75, -94.07) 04/20/2023   05:35:01  ( -76.74, -94.03)    2.06                 6
 04/20/2023   06:25:42   (  76.76,  73.18) 04/20/2023   06:25:55  (  76.76,  73.35)    4.25                13
 04/20/2023   07:16:26   ( -76.73,-119.37) 04/20/2023   07:17:00  ( -76.75,-119.48)    3.17                34
 04/20/2023   08:07:13   (  76.75,  47.88) 04/20/2023   08:07:54  (  76.77,  47.89)    2.70                41
 04/20/2023   08:57:58   ( -76.76,-144.85) 04/20/2023   08:58:59  ( -76.76,-144.94)    2.25                61
 04/20/2023   09:48:45   (  76.77,  22.40) 04/20/2023   09:49:53  (  76.78,  22.43)    1.19                68