Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 5 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/05/2023   23:21:45   (  -0.10,-143.59) (   0.73,-139.85)  426.77                80
 05/07/2023   11:46:49   (   0.07,-144.33) (   0.25,-145.27)  106.92                80
 05/08/2023   11:25:46   (   0.09,-144.78) (  -0.81,-140.83)  451.06                80
 05/09/2023   23:50:57   (  -0.06,-145.46) (  -0.27,-146.27)   93.46                80
 05/10/2023   23:29:56   (  -0.08,-145.91) (   0.85,-141.84)  464.24                80
 05/12/2023   11:54:58   (   0.06,-146.63) (   0.19,-147.25)   70.77                80
 05/13/2023   11:33:56   (   0.08,-147.08) (  -0.88,-142.81)  486.60                80
 05/14/2023   23:59:07   (  -0.05,-147.74) (  -0.18,-148.26)   58.66                80
 05/15/2023   23:38:05   (  -0.07,-148.19) (   0.89,-143.82)  498.66                80
 05/17/2023   12:03:08   (   0.03,-148.91) (   0.08,-149.24)   37.20                80