Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 5 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/17/2022   10:28:13   (   0.06,-127.65) (   0.64,-130.20)  291.60                80
 05/18/2022   10:12:28   (   0.07,-127.61) (  -0.33,-125.74)  211.83                80
 05/19/2022   22:32:16   (  -0.05,-127.55) (  -0.84,-131.17)  411.56                80
 05/20/2022   22:16:32   (  -0.06,-127.51) (   0.15,-126.71)   92.14                80
 05/23/2022   10:20:16   (   0.05,-127.39) (   0.08,-127.63)   26.48                69
 05/24/2022   10:02:02   (   0.07,-127.35) (  -0.90,-123.17)  476.95                80
 05/25/2022   22:21:50   (  -0.04,-127.29) (  -0.31,-128.59)  146.91                80
 05/26/2022   22:06:05   (  -0.05,-127.25) (   0.68,-124.13)  356.70                80
 05/28/2022   10:25:44   (   0.02,-127.18) (   0.54,-129.51)  265.24                80
 05/29/2022   10:10:00   (   0.03,-127.13) (  -0.44,-125.05)  237.58                80
 05/30/2022   22:29:47   (  -0.00,-127.05) (  -0.74,-130.46)  388.17                80