Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2026 1 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/22/2026   21:30:06   (  -0.58, -89.47) (  -0.75, -90.15)   78.01                80
 01/23/2026   21:13:53   (  -0.58, -89.47) (   0.28, -85.56)  445.37                80
 01/25/2026   09:35:26   (   0.59, -89.53) (   0.88, -90.72)  136.54                80
 01/26/2026   09:13:53   (   0.59, -89.53) (  -0.21, -86.15)  386.65                80
 01/27/2026   21:35:36   (  -0.59, -89.47) (  -1.00, -91.34)  212.70                80
 01/28/2026   21:19:22   (  -0.60, -89.47) (   0.03, -86.75)  310.63                80
 01/30/2026   09:38:15   (   0.60, -89.53) (   1.13, -91.91)  271.16                80
 01/31/2026   09:22:02   (   0.61, -89.53) (   0.10, -87.32)  252.32                80
 02/01/2026   21:41:04   (  -0.60, -89.47) (  -1.31, -92.51)  346.66                80
 02/02/2026   21:24:51   (  -0.61, -89.48) (  -0.28, -87.92)  177.47                80