Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 4 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/12/2022   22:15:48   (  -0.12,-128.40) (   0.20,-126.87)  174.11                80
 04/14/2022   10:38:07   (   0.12,-128.38) (   1.00,-132.25)  441.35                80
 04/15/2022   10:17:04   (   0.12,-128.38) (  -0.01,-127.80)   65.51                80
 04/17/2022   22:21:09   (  -0.12,-128.36) (  -0.24,-128.76)   46.33                80
 04/18/2022   22:05:25   (  -0.12,-128.35) (   0.78,-124.31)  460.18                80
 04/20/2022   10:25:04   (   0.12,-128.32) (   0.42,-129.70)  156.87                80
 04/21/2022   10:09:21   (   0.12,-128.30) (  -0.60,-125.25)  348.85                80
 04/22/2022   22:29:09   (  -0.12,-128.28) (  -0.65,-130.66)  271.55                80
 04/23/2022   22:13:26   (  -0.12,-128.26) (   0.37,-126.21)  234.25                80
 04/25/2022   10:33:04   (   0.12,-128.23) (   0.89,-131.58)  383.02                80