Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2020 9 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/03/2020   10:01:22   (  -0.08,-127.88) (  -0.07,-127.82)    7.03                80
 09/05/2020   22:06:44   (   0.08,-127.91) (  -0.06,-128.47)   63.68                80
 09/06/2020   21:45:08   (   0.08,-127.94) (   0.96,-123.88)  461.90                80
 09/08/2020   10:06:39   (  -0.08,-128.05) (   0.12,-129.09)  118.73                80
 09/09/2020   09:50:23   (  -0.08,-128.08) (  -0.90,-124.51)  406.51                80
 09/10/2020   22:12:01   (   0.09,-128.06) (  -0.26,-129.74)  191.09                80
 09/11/2020   21:50:24   (   0.09,-128.08) (   0.76,-125.16)  333.50                80
 09/13/2020   10:11:55   (  -0.10,-128.17) (   0.37,-130.36)  248.70                80
 09/14/2020   09:55:38   (  -0.10,-128.19) (  -0.65,-125.77)  275.67                80
 09/15/2020   22:17:17   (   0.11,-128.17) (  -0.51,-131.00)  322.74                80
 09/16/2020   21:55:40   (   0.11,-128.18) (   0.51,-126.42)  201.29                80