Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 11 27.  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)
 11/28/2023   06:16:04   (   0.01, -75.20) (  -0.33, -73.57)  185.12                80
 11/29/2023   18:38:01   (  -0.01, -75.20) (  -0.86, -78.88)  418.97                80
 11/30/2023   18:21:57   (  -0.01, -75.21) (   0.19, -74.35)   97.64                80
 12/03/2023   06:22:22   (   0.01, -75.22) (  -0.04, -75.10)   13.97                80
 12/05/2023   18:25:35   (  -0.01, -75.25) (  -0.13, -75.88)   71.39                80
 12/06/2023   18:09:31   (  -0.01, -75.26) (   0.87, -71.34)  446.43                80
 12/08/2023   06:31:19   (   0.00, -75.28) (   0.32, -76.61)  152.40                80
 12/09/2023   06:09:54   (   0.01, -75.29) (  -0.69, -72.08)  365.49                80
 12/10/2023   18:31:52   (  -0.01, -75.32) (  -0.45, -77.40)  236.23                80
 12/11/2023   18:15:47   (  -0.01, -75.34) (   0.56, -72.87)  281.93                80