Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 12 14.  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)
 12/15/2023   18:38:07   (   0.01, -75.22) (  -0.82, -78.90)  419.37                80
 12/16/2023   18:22:03   (   0.00, -75.22) (   0.19, -74.37)   97.61                80
 12/19/2023   06:22:27   (  -0.01, -75.24) (  -0.03, -75.11)   14.59                80
 12/21/2023   18:25:38   (   0.01, -75.27) (  -0.14, -75.88)   69.32                80
 12/22/2023   18:09:34   (   0.00, -75.29) (   0.88, -71.35)  448.80                80
 12/24/2023   06:31:22   (   0.00, -75.30) (   0.29, -76.62)  149.94                80
 12/25/2023   06:09:58   (   0.01, -75.32) (  -0.73, -72.09)  368.23                80
 12/26/2023   18:31:54   (  -0.01, -75.35) (  -0.45, -77.39)  232.67                80
 12/27/2023   18:15:50   (  -0.01, -75.37) (   0.57, -72.87)  285.91                80