Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 11 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/19/2023   20:58:29   (   0.00,-104.65) (   0.93,-100.42)  481.64                80
 11/21/2023   09:20:46   (   0.00,-104.68) (   0.24,-105.78)  125.05                80
 11/22/2023   08:59:39   (   0.00,-104.68) (  -0.76,-101.31)  384.63                80
 11/23/2023   21:22:02   (  -0.00,-104.65) (  -0.47,-106.69)  232.64                80
 11/24/2023   21:06:16   (  -0.00,-104.65) (   0.54,-102.22)  277.31                80
 11/26/2023   09:28:31   (   0.01,-104.69) (   0.68,-107.57)  328.74                80
 11/27/2023   09:07:25   (   0.01,-104.69) (  -0.33,-103.10)  181.09                80
 11/28/2023   21:29:48   (  -0.02,-104.65) (  -0.90,-108.48)  436.50                80
 11/29/2023   21:14:02   (  -0.03,-104.65) (   0.11,-104.01)   73.40                80
 12/02/2023   09:17:50   (   0.03,-104.70) (   0.08,-104.89)   22.41                80