Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 6 12.  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)
 06/13/2023   18:09:24   (   0.02, -75.19) (   0.90, -71.19)  455.37                80
 06/15/2023   06:28:32   (  -0.02, -75.20) (   0.27, -76.47)  144.72                80
 06/16/2023   06:12:27   (  -0.02, -75.20) (  -0.77, -71.94)  372.20                80
 06/17/2023   18:31:44   (   0.03, -75.21) (  -0.41, -77.25)  231.46                80
 06/18/2023   18:15:38   (   0.03, -75.22) (   0.57, -72.71)  285.84                80
 06/20/2023   06:34:45   (  -0.03, -75.23) (   0.60, -77.98)  313.29                80
 06/21/2023   06:18:41   (  -0.03, -75.24) (  -0.44, -73.45)  204.44                80
 06/22/2023   18:37:56   (   0.03, -75.27) (  -0.78, -78.75)  397.99                80
 06/23/2023   18:21:52   (   0.03, -75.28) (   0.27, -74.23)  120.30                80
 06/25/2023   06:40:59   (  -0.03, -75.31) (   0.90, -79.50)  477.34                80
 06/26/2023   06:24:54   (  -0.03, -75.33) (  -0.09, -74.96)   41.34                80