Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 4 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)
 04/20/2023   00:30:20   ( -76.71, -17.77) 04/20/2023   00:29:05  ( -76.69, -17.72)    2.35                75
 04/20/2023   01:21:06   (  76.69, 149.64) 04/20/2023   01:19:59  (  76.71, 149.63)    2.74                67
 04/20/2023   02:11:51   ( -76.69, -43.07) 04/20/2023   02:11:04  ( -76.70, -43.17)    2.98                47
 04/20/2023   03:02:38   (  76.71, 124.16) 04/20/2023   03:01:58  (  76.72, 124.17)    1.11                40
 04/20/2023   03:53:23   ( -76.72, -68.54) 04/20/2023   03:53:03  ( -76.71, -68.63)    2.19                20
 04/20/2023   04:44:10   (  76.73,  98.69) 04/20/2023   04:43:57  (  76.73,  98.72)    0.99                13
 04/20/2023   05:34:55   ( -76.74, -94.02) 04/20/2023   05:35:02  ( -76.72, -94.08)    2.50                 7
 04/20/2023   06:25:42   (  76.76,  73.21) 04/20/2023   06:25:56  (  76.74,  73.26)    2.59                14
 04/20/2023   07:16:27   ( -76.76,-119.49) 04/20/2023   07:17:00  ( -76.77,-119.36)    3.62                33
 04/20/2023   08:07:13   (  76.74,  47.91) 04/20/2023   08:07:55  (  76.75,  47.80)    2.90                42
 04/20/2023   08:57:58   ( -76.79,-144.97) 04/20/2023   08:58:58  ( -76.78,-144.81)    3.92                60
 04/20/2023   09:48:44   (  76.76,  22.43) 04/20/2023   09:49:53  (  76.76,  22.35)    2.36                69