Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 1 23.  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)
 01/23/2023   06:13:39   (  -0.04, -75.18) (  -0.75, -71.94)  368.91                80
 01/24/2023   18:32:54   (   0.05, -75.18) (  -0.44, -77.24)  235.43                80
 01/25/2023   18:16:50   (   0.05, -75.19) (   0.63, -72.72)  281.32                80
 01/27/2023   06:38:36   (  -0.05, -75.19) (   0.57, -77.99)  319.04                80
 01/28/2023   06:17:11   (  -0.04, -75.19) (  -0.44, -73.46)  198.10                80
 01/29/2023   18:39:06   (   0.04, -75.21) (  -0.73, -78.76)  404.78                80
 01/30/2023   18:23:00   (   0.04, -75.21) (   0.29, -74.23)  112.80                80
 02/01/2023   06:44:47   (  -0.03, -75.23) (   0.90, -79.50)  486.45                80
 02/02/2023   06:23:20   (  -0.03, -75.23) (  -0.06, -74.95)   31.39                80
 02/04/2023   18:29:09   (  -0.01, -75.27) (  -0.12, -75.72)   51.82                80
 02/05/2023   18:07:44   (  -0.01, -75.28) (   0.90, -71.19)  466.44                80