Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 10 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 10/10/2025   08:11:43   (  -0.04,-104.70) (  -0.64,-102.08)  298.60                80
 10/11/2025   20:33:37   (   0.04,-104.70) (  -0.56,-107.37)  304.24                80
 10/12/2025   20:17:31   (   0.04,-104.70) (   0.48,-102.84)  212.79                80
 10/14/2025   08:39:17   (  -0.04,-104.70) (   0.71,-108.09)  386.82                80
 10/15/2025   08:17:50   (  -0.04,-104.70) (  -0.28,-103.55)  130.01                80
 10/16/2025   20:39:45   (   0.04,-104.70) (  -0.91,-108.84)  472.95                80
 10/17/2025   20:23:39   (   0.04,-104.71) (   0.13,-104.31)   44.71                80
 10/20/2025   08:26:38   (  -0.04,-104.72) (   0.06,-105.03)   35.66                80
 10/21/2025   08:05:13   (  -0.04,-104.73) (  -1.00,-100.50)  481.78                80
 10/22/2025   20:27:07   (   0.03,-104.73) (  -0.19,-105.79)  120.98                80