Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 10 7.  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)
 10/09/2025   08:33:08   (  -0.05,-104.70) (   0.40,-106.61)  218.18                80
 10/10/2025   08:11:43   (  -0.05,-104.70) (  -0.64,-102.08)  298.52                80
 10/11/2025   20:33:37   (   0.05,-104.70) (  -0.55,-107.37)  304.60                80
 10/12/2025   20:17:32   (   0.05,-104.70) (   0.49,-102.84)  212.39                80
 10/14/2025   08:39:17   (  -0.05,-104.70) (   0.71,-108.10)  386.96                80
 10/15/2025   08:17:50   (  -0.05,-104.70) (  -0.28,-103.55)  129.85                80
 10/16/2025   20:39:45   (   0.05,-104.70) (  -0.91,-108.85)  473.36                80
 10/17/2025   20:23:39   (   0.05,-104.70) (   0.14,-104.32)   44.27                80
 10/20/2025   08:26:38   (  -0.05,-104.72) (   0.04,-105.03)   35.86                80
 10/21/2025   08:05:13   (  -0.05,-104.73) (  -1.01,-100.50)  481.53                80