Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 10 15.  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)
 10/16/2025   20:39:45   (   0.04,-104.69) (  -0.87,-108.85)  473.66                80
 10/17/2025   20:23:39   (   0.04,-104.69) (   0.12,-104.31)   43.77                80
 10/20/2025   08:26:38   (  -0.04,-104.70) (   0.06,-105.02)   37.89                80
 10/21/2025   08:05:12   (  -0.04,-104.70) (  -1.00,-100.50)  479.32                80
 10/22/2025   20:27:06   (   0.03,-104.70) (  -0.19,-105.79)  123.34                80
 10/23/2025   20:11:00   (   0.03,-104.70) (   0.81,-101.25)  394.16                80
 10/25/2025   08:32:44   (  -0.02,-104.71) (   0.40,-106.50)  204.36                80
 10/26/2025   08:11:18   (  -0.02,-104.70) (  -0.61,-101.96)  312.44                80
 10/27/2025   20:33:12   (   0.01,-104.70) (  -0.56,-107.25)  291.38                80
 10/28/2025   20:17:06   (   0.02,-104.70) (   0.44,-102.71)  225.85                80