Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 12 17.  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)
 12/19/2023   06:25:07   (  -0.01, -75.24) (  -0.06, -75.11)   14.94                80
 12/21/2023   18:25:39   (   0.01, -75.28) (  -0.11, -75.88)   68.90                80
 12/22/2023   18:09:34   (   0.00, -75.29) (   0.91, -71.35)  449.34                80
 12/24/2023   06:31:22   (   0.00, -75.31) (   0.31, -76.61)  149.19                80
 12/25/2023   06:09:57   (   0.01, -75.32) (  -0.72, -72.09)  369.09                80
 12/26/2023   18:31:53   (  -0.01, -75.36) (  -0.46, -77.39)  231.68                80
 12/27/2023   18:15:49   (  -0.01, -75.38) (   0.57, -72.86)  287.02                80
 12/29/2023   06:37:36   (   0.01, -75.40) (   0.63, -78.12)  310.27                80
 12/30/2023   06:16:12   (   0.00, -75.43) (  -0.40, -73.59)  208.70                80
 12/31/2023   18:38:08   (  -0.00, -75.47) (  -0.76, -78.90)  390.90                80