Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 3 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/03/2022   10:07:52   (   0.05,-127.39) (  -0.29,-125.91)  169.69                80
 03/04/2022   22:30:20   (  -0.05,-127.35) (  -0.97,-131.32)  452.91                80
 03/05/2022   22:14:38   (  -0.05,-127.31) (   0.07,-126.88)   49.72                80
 03/08/2022   10:18:35   (   0.05,-127.17) (   0.19,-127.80)   72.03                80
 03/09/2022   09:57:31   (   0.05,-127.12) (  -0.78,-123.35)  429.84                80
 03/10/2022   22:20:01   (  -0.06,-127.07) (  -0.42,-128.77)  194.18                80
 03/11/2022   22:04:17   (  -0.06,-127.01) (   0.55,-124.32)  307.66                80
 03/13/2022   10:26:37   (   0.07,-126.92) (   0.67,-129.70)  316.89                80
 03/14/2022   10:05:34   (   0.07,-126.86) (  -0.31,-125.25)  184.43                80
 03/15/2022   22:28:02   (  -0.08,-126.79) (  -0.96,-130.66)  441.02                80
 03/16/2022   22:12:19   (  -0.08,-126.74) (   0.02,-126.20)   60.41                80