Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 1 19.  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)
 01/19/2023   18:26:43   (   0.04, -75.19) (  -0.10, -75.73)   62.14                80
 01/20/2023   18:10:37   (   0.03, -75.19) (   0.90, -71.20)  454.51                80
 01/22/2023   06:32:24   (  -0.04, -75.19) (   0.25, -76.48)  146.67                80
 01/23/2023   06:10:59   (  -0.04, -75.19) (  -0.76, -71.94)  370.25                80
 01/24/2023   18:32:54   (   0.04, -75.21) (  -0.43, -77.25)  232.32                80
 01/25/2023   18:16:49   (   0.04, -75.22) (   0.58, -72.71)  285.38                80
 01/27/2023   06:38:36   (  -0.04, -75.24) (   0.56, -77.99)  313.77                80
 01/28/2023   06:17:11   (  -0.04, -75.25) (  -0.46, -73.46)  204.32                80
 01/29/2023   18:39:05   (   0.03, -75.28) (  -0.77, -78.75)  396.79                80
 01/30/2023   18:22:59   (   0.03, -75.30) (   0.25, -74.22)  121.74                80
 02/01/2023   06:44:46   (  -0.02, -75.32) (   0.93, -79.49)  476.21                80