Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 1 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/23/2022   10:27:36   (  -0.05,-128.35) (   0.41,-130.36)  229.26                80
 01/24/2022   10:06:34   (  -0.04,-128.35) (  -0.60,-125.92)  277.55                80
 01/25/2022   22:29:03   (   0.05,-128.35) (  -0.61,-131.34)  340.41                80
 01/26/2022   22:13:19   (   0.04,-128.35) (   0.34,-126.88)  166.12                80
 01/28/2022   10:35:42   (  -0.04,-128.33) (   0.84,-132.28)  451.03                80
 01/29/2022   10:14:38   (  -0.03,-128.31) (  -0.11,-127.83)   54.91                80
 01/31/2022   22:18:45   (   0.02,-128.29) (  -0.08,-128.81)   58.88                80
 02/01/2022   22:03:02   (   0.02,-128.27) (   0.88,-124.35)  446.82                80
 02/03/2022   10:25:24   (  -0.02,-128.25) (   0.31,-129.75)  170.98                80
 02/04/2022   10:04:21   (  -0.02,-128.23) (  -0.70,-125.30)  334.65                80
 02/05/2022   22:26:50   (   0.02,-128.22) (  -0.55,-130.72)  285.01                80