Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 12 3.  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)
 12/05/2023   18:25:34   (   0.00, -75.21) (  -0.16, -75.87)   75.08                80
 12/06/2023   18:09:30   (  -0.00, -75.22) (   0.84, -71.34)  441.67                80
 12/08/2023   06:31:18   (  -0.00, -75.22) (   0.34, -76.61)  159.28                80
 12/09/2023   06:09:55   (   0.00, -75.22) (  -0.73, -72.09)  357.63                80
 12/10/2023   18:31:51   (  -0.00, -75.23) (  -0.47, -77.39)  245.40                80
 12/11/2023   18:15:46   (  -0.01, -75.24) (   0.54, -72.86)  271.73                80
 12/13/2023   06:37:34   (   0.01, -75.24) (   0.68, -78.12)  328.53                80
 12/14/2023   06:16:09   (   0.01, -75.25) (  -0.34, -73.59)  188.45                80
 12/15/2023   18:38:06   (  -0.01, -75.26) (  -0.84, -78.89)  414.56                80
 12/16/2023   18:22:01   (  -0.01, -75.27) (   0.19, -74.36)  102.85                80