Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 11 29.  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)
 11/29/2023   18:38:01   (  -0.01, -75.20) (  -0.85, -78.88)  418.98                80
 11/30/2023   18:21:57   (  -0.01, -75.21) (   0.20, -74.35)   97.61                80
 12/03/2023   06:22:22   (   0.01, -75.21) (  -0.05, -75.10)   13.98                80
 12/05/2023   18:25:35   (  -0.01, -75.25) (  -0.12, -75.88)   71.62                80
 12/06/2023   18:09:31   (  -0.01, -75.26) (   0.88, -71.35)  446.21                80
 12/08/2023   06:31:19   (   0.00, -75.28) (   0.31, -76.62)  152.72                80
 12/09/2023   06:09:54   (   0.01, -75.29) (  -0.70, -72.08)  365.13                80
 12/10/2023   18:31:51   (  -0.01, -75.32) (  -0.50, -77.38)  236.58                80
 12/11/2023   18:15:47   (  -0.01, -75.33) (   0.57, -72.87)  281.57                80