Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2024 1 7.  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)
 01/07/2024   18:09:30   (   0.03, -75.22) (   0.90, -71.32)  444.69                80
 01/09/2024   06:31:18   (  -0.02, -75.22) (   0.27, -76.59)  155.85                80
 01/10/2024   06:09:52   (  -0.02, -75.22) (  -0.72, -72.05)  361.37                80
 01/11/2024   18:31:47   (   0.01, -75.24) (  -0.48, -77.35)  240.73                80
 01/12/2024   18:15:43   (   0.01, -75.24) (   0.57, -72.82)  276.83                80
 01/14/2024   06:37:30   (  -0.02, -75.25) (   0.60, -78.09)  322.85                80
 01/15/2024   06:16:05   (  -0.02, -75.26) (  -0.40, -73.55)  194.89                80
 01/16/2024   18:38:00   (   0.02, -75.29) (  -0.79, -78.85)  406.19                80
 01/17/2024   18:21:56   (   0.02, -75.30) (   0.26, -74.32)  112.35                80
 01/19/2024   06:43:42   (  -0.01, -75.32) (   0.95, -79.58)  485.36                80
 01/20/2024   06:22:16   (  -0.00, -75.34) (  -0.05, -75.04)   33.53                80