Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 1 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)
 01/22/2023   06:32:24   (  -0.04, -75.19) (   0.27, -76.47)  146.58                80
 01/23/2023   06:10:59   (  -0.04, -75.19) (  -0.73, -71.94)  370.42                80
 01/24/2023   18:32:55   (   0.04, -75.21) (  -0.40, -77.25)  232.05                80
 01/25/2023   18:16:49   (   0.04, -75.23) (   0.61, -72.72)  285.68                80
 01/27/2023   06:38:36   (  -0.04, -75.24) (   0.58, -77.99)  313.41                80
 01/28/2023   06:17:10   (  -0.04, -75.25) (  -0.43, -73.45)  204.71                80
 01/29/2023   18:39:06   (   0.03, -75.28) (  -0.75, -78.76)  396.30                80
 01/30/2023   18:23:00   (   0.03, -75.30) (   0.27, -74.23)  122.23                80
 02/01/2023   06:44:46   (  -0.02, -75.32) (   0.92, -79.50)  475.68                80
 02/02/2023   06:23:21   (   0.00, -75.34) (  -0.10, -74.96)   43.60                80