Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 1 31.  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)
 02/01/2023   06:44:46   (  -0.06, -75.19) (   0.92, -79.49)  491.24                80
 02/02/2023   06:23:21   (  -0.05, -75.19) (  -0.09, -74.96)   25.43                80
 02/04/2023   18:26:31   (   0.05, -75.19) (  -0.06, -75.74)   61.95                80
 02/05/2023   18:10:25   (   0.05, -75.19) (   0.96, -71.20)  455.35                80
 02/07/2023   06:32:12   (  -0.04, -75.21) (   0.22, -76.47)  143.30                80
 02/08/2023   06:10:46   (  -0.04, -75.22) (  -0.80, -71.94)  374.32                80
 02/09/2023   18:32:40   (   0.04, -75.23) (  -0.42, -77.24)  228.55                80
 02/10/2023   18:16:35   (   0.04, -75.25) (   0.61, -72.71)  289.52                80
 02/12/2023   06:38:21   (  -0.04, -75.27) (   0.57, -77.97)  307.89                80
 02/13/2023   06:16:56   (  -0.04, -75.28) (  -0.46, -73.44)  210.16                80
 02/14/2023   18:38:50   (   0.03, -75.30) (  -0.75, -78.74)  392.48                80