Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 4 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/11/2022   22:31:32   (  -0.12,-128.40) (  -0.76,-131.33)  333.40                80
 04/12/2022   22:15:49   (  -0.12,-128.40) (   0.25,-126.88)  173.97                80
 04/14/2022   10:38:07   (   0.12,-128.38) (   1.00,-132.25)  441.35                80
 04/15/2022   10:17:03   (   0.12,-128.38) (  -0.02,-127.80)   65.54                80
 04/17/2022   22:21:08   (  -0.12,-128.36) (  -0.21,-128.77)   46.30                80
 04/18/2022   22:05:24   (  -0.12,-128.35) (   0.76,-124.31)  460.17                80
 04/20/2022   10:25:03   (   0.12,-128.32) (   0.42,-129.69)  156.65                80
 04/21/2022   10:09:19   (   0.12,-128.30) (  -0.55,-125.23)  349.13                80
 04/22/2022   22:29:07   (  -0.12,-128.27) (  -0.67,-130.65)  271.28                80
 04/23/2022   22:13:23   (  -0.12,-128.26) (   0.36,-126.20)  234.62                80