Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2020 8 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/24/2020   09:53:31   (  -0.05,-127.75) (  -0.60,-125.30)  278.89                80
 08/25/2020   22:12:29   (   0.05,-127.64) (  -0.61,-130.52)  328.20                80
 08/26/2020   21:56:12   (   0.05,-127.60) (   0.41,-125.94)  189.28                80
 08/28/2020   10:15:02   (  -0.06,-127.58) (   0.75,-131.13)  405.39                80
 08/29/2020   09:58:46   (  -0.06,-127.53) (  -0.27,-126.55)  111.79                80
 08/30/2020   22:17:43   (   0.07,-127.42) (  -0.93,-131.77)  496.19                80
 08/31/2020   22:01:27   (   0.07,-127.38) (   0.08,-127.18)   21.27                80
 09/03/2020   10:01:21   (  -0.07,-127.31) (   0.05,-127.80)   56.56                80
 09/04/2020   09:45:04   (  -0.07,-127.26) (  -0.97,-123.22)  460.57                80
 09/05/2020   22:04:01   (   0.08,-127.14) (  -0.24,-128.43)  147.76                80
 09/06/2020   21:47:45   (   0.08,-127.09) (   0.78,-123.85)  369.15                80