Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 11 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/28/2023   21:29:48   (   0.00,-104.65) (  -0.89,-108.48)  436.99                80
 11/29/2023   21:14:01   (  -0.00,-104.65) (   0.14,-104.01)   72.89                80
 12/02/2023   09:17:49   (   0.01,-104.69) (   0.08,-104.88)   23.10                80
 12/03/2023   08:56:43   (   0.02,-104.69) (  -0.95,-100.42)  486.93                80
 12/04/2023   21:19:06   (  -0.02,-104.65) (  -0.26,-105.80)  130.15                80
 12/05/2023   21:03:18   (  -0.02,-104.66) (   0.72,-101.32)  380.22                80
 12/07/2023   09:25:33   (   0.02,-104.70) (   0.50,-106.67)  224.72                80
 12/08/2023   09:04:26   (   0.03,-104.70) (  -0.55,-102.20)  285.50                80
 12/09/2023   21:26:49   (  -0.03,-104.67) (  -0.71,-107.57)  331.87                80
 12/10/2023   21:11:02   (  -0.03,-104.67) (   0.33,-103.11)  178.39                80