Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2026 1 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/18/2026   23:39:55   (   0.93,  61.36) (   1.65,  58.09)  372.81                80
 01/19/2026   23:18:21   (   0.93,  61.37) (   0.61,  62.68)  149.27                80
 01/21/2026   11:40:02   (  -0.93,  61.50) (  -1.87,  57.50)  457.35                80
 01/22/2026   11:23:49   (  -0.93,  61.51) (  -0.82,  62.08)   64.80                80
 01/24/2026   23:26:29   (   0.94,  61.43) (   0.91,  61.51)    8.82                80
 01/27/2026   11:26:37   (  -0.94,  61.59) (  -1.09,  60.91)   77.80                80
 01/28/2026   11:10:23   (  -0.95,  61.61) (  -0.03,  65.50)  443.56                80
 01/29/2026   23:29:16   (   0.94,  61.53) (   1.22,  60.34)  135.83                80
 01/30/2026   23:13:01   (   0.95,  61.56) (   0.21,  64.94)  385.32                80