Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 2 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/10/2023   22:24:03   (  -0.06,-128.25) (   0.31,-126.47)  203.00                80
 02/12/2023   10:46:29   (   0.06,-128.25) (   0.88,-131.87)  412.37                80
 02/13/2023   10:30:48   (   0.07,-128.25) (  -0.12,-127.43)   93.32                80
 02/15/2023   22:35:00   (  -0.08,-128.21) (  -0.10,-128.41)   23.12                80
 02/16/2023   22:13:58   (  -0.08,-128.19) (   0.85,-123.96)  481.71                80
 02/18/2023   10:36:24   (   0.08,-128.17) (   0.34,-129.36)  135.67                80
 02/19/2023   10:20:43   (   0.09,-128.15) (  -0.67,-124.92)  369.18                80
 02/20/2023   22:43:15   (  -0.09,-128.12) (  -0.60,-130.33)  252.66                80
 02/21/2023   22:22:14   (  -0.09,-128.10) (   0.42,-125.89)  251.90                80
 02/23/2023   10:44:38   (   0.09,-128.08) (   0.82,-131.28)  366.18                80