Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2020 8 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/29/2020   09:58:46   (  -0.07,-127.70) (  -0.31,-126.56)  130.36                80
 08/30/2020   22:20:25   (   0.07,-127.69) (  -0.84,-131.79)  466.33                80
 08/31/2020   21:58:48   (   0.07,-127.73) (   0.18,-127.20)   59.76                80
 09/03/2020   10:04:03   (  -0.08,-127.89) (  -0.11,-127.83)    7.66                80
 09/05/2020   22:06:44   (   0.08,-127.91) (  -0.07,-128.46)   63.56                80
 09/06/2020   21:45:08   (   0.08,-127.95) (   1.01,-123.90)  462.24                80
 09/08/2020   10:06:39   (  -0.08,-128.06) (   0.14,-129.09)  117.31                80
 09/09/2020   09:50:22   (  -0.08,-128.09) (  -0.88,-124.51)  408.10                80
 09/10/2020   22:12:01   (   0.09,-128.07) (  -0.26,-129.74)  189.97                80
 09/11/2020   21:50:24   (   0.09,-128.09) (   0.76,-125.16)  334.77                80