Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2025 2 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/15/2025   21:56:47   (   0.01,-104.31) (  -0.43,-106.16)  212.52                80
 02/16/2025   21:40:42   (   0.01,-104.20) (   0.60,-101.61)  294.92                80
 02/18/2025   09:59:47   (  -0.02,-104.05) (   0.60,-106.83)  315.79                80
 02/19/2025   09:43:41   (  -0.02,-103.94) (  -0.38,-102.26)  191.51                80
 02/20/2025   22:02:54   (   0.02,-103.75) (  -0.85,-107.50)  428.45                80
 02/21/2025   21:46:48   (   0.02,-103.64) (   0.19,-102.95)   78.69                80
 02/24/2025   09:47:07   (  -0.03,-103.38) (   0.02,-103.61)   25.58                80
 02/25/2025   09:31:01   (  -0.03,-103.27) (  -0.98, -99.04)  481.45                80
 02/26/2025   21:50:14   (   0.03,-103.07) (  -0.22,-104.29)  138.52                80
 02/27/2025   21:34:08   (   0.03,-102.96) (   0.78, -99.73)  368.78                80