Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 10 21.  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)
 10/22/2023   06:11:42   (   0.04, -75.21) (  -0.73, -71.87)  380.79                80
 10/23/2023   18:31:01   (  -0.03, -75.22) (  -0.46, -77.19)  223.98                80
 10/24/2023   18:14:59   (  -0.03, -75.23) (   0.57, -72.67)  292.46                80
 10/26/2023   06:36:49   (   0.02, -75.24) (   0.61, -77.95)  308.23                80
 10/27/2023   06:15:26   (   0.03, -75.26) (  -0.37, -73.42)  208.69                80
 10/28/2023   18:37:25   (  -0.02, -75.28) (  -0.80, -78.74)  394.61                80
 10/29/2023   18:21:23   (  -0.03, -75.29) (   0.24, -74.22)  122.71                80
 10/31/2023   06:43:12   (   0.02, -75.31) (   0.99, -79.49)  476.85                80
 11/01/2023   06:21:50   (   0.02, -75.33) (  -0.06, -74.98)   40.51                80
 11/03/2023   18:25:05   (  -0.02, -75.38) (  -0.10, -75.77)   44.36                80
 11/04/2023   18:09:02   (  -0.02, -75.40) (   0.89, -71.24)  473.67                80