Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 11 1.  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)
 11/01/2023   06:24:29   (   0.03, -75.20) (  -0.03, -74.96)   26.85                80
 11/03/2023   18:25:05   (  -0.03, -75.21) (  -0.14, -75.76)   61.78                80
 11/04/2023   18:09:01   (  -0.03, -75.22) (   0.86, -71.23)  454.48                80
 11/06/2023   06:30:52   (   0.02, -75.22) (   0.30, -76.51)  147.22                80
 11/07/2023   06:09:28   (   0.02, -75.22) (  -0.70, -71.98)  369.43                80
 11/08/2023   18:31:26   (  -0.01, -75.25) (  -0.49, -77.29)  233.43                80
 11/09/2023   18:15:24   (  -0.02, -75.26) (   0.57, -72.78)  283.90                80
 11/11/2023   06:37:13   (   0.01, -75.28) (   0.63, -78.05)  316.10                80
 11/12/2023   06:15:50   (   0.02, -75.29) (  -0.38, -73.53)  201.27                80
 11/13/2023   18:37:48   (  -0.01, -75.32) (  -0.80, -78.84)  401.09                80
 11/14/2023   18:21:45   (  -0.02, -75.33) (   0.21, -74.31)  116.48                80