Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 10 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/01/2023   07:26:48   (  -0.28,  96.71) (   0.71, 101.07)  497.69                80
 10/02/2023   19:49:12   (   0.26,  95.10) (   0.13,  95.62)   60.21                80
 10/04/2023   08:14:25   (  -0.23,  93.47) (  -1.01,  90.15)  378.83                80
 10/05/2023   07:53:24   (  -0.25,  92.40) (   0.25,  94.55)  245.97                80
 10/06/2023   20:18:29   (   0.22,  90.77) (   0.58,  89.11)  189.35                80
 10/07/2023   19:57:27   (   0.24,  89.71) (  -0.63,  93.52)  434.61                80
 10/09/2023   08:22:39   (  -0.21,  88.07) (  -0.22,  88.04)    3.51                80
 10/10/2023   20:45:04   (   0.18,  86.42) (   1.05,  82.59)  436.38                80
 10/11/2023   20:24:02   (   0.21,  85.36) (  -0.16,  87.01)  188.37                80
 10/13/2023   08:49:14   (  -0.18,  83.72) (  -0.66,  81.53)  250.05                80
 10/14/2023   08:28:13   (  -0.20,  82.65) (   0.56,  85.94)  376.27                80