Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 12 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/07/2023   10:13:49   (   0.05,  61.25) (  -0.10,  60.54)   81.00                80
 12/08/2023   09:58:02   (   0.04,  61.25) (   0.88,  65.02)  429.46                80
 12/09/2023   22:20:17   (  -0.06,  61.16) (   0.26,  59.66)  171.30                80
 12/10/2023   21:59:10   (  -0.04,  61.17) (  -0.72,  64.14)  338.09                80
 12/12/2023   10:21:32   (   0.06,  61.28) (  -0.54,  58.76)  287.57                80
 12/13/2023   10:05:45   (   0.04,  61.29) (   0.50,  63.23)  221.89                80
 12/14/2023   22:28:00   (  -0.06,  61.20) (   0.68,  57.88)  378.95                80
 12/15/2023   22:06:52   (  -0.05,  61.22) (  -0.31,  62.36)  129.49                80
 12/17/2023   10:29:15   (   0.07,  61.35) (  -0.95,  56.99)  498.52                80
 12/18/2023   10:13:28   (   0.06,  61.36) (   0.10,  61.45)   10.59                80
 12/20/2023   22:17:15   (  -0.07,  61.29) (   0.08,  60.57)   81.17                80