Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 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)
 01/19/2025   18:23:37   (   0.01, -75.20) (   0.21, -74.22)  111.14                80
 01/21/2025   06:45:21   (  -0.01, -75.20) (   0.95, -79.48)  487.61                80
 01/22/2025   06:23:54   (  -0.01, -75.21) (  -0.05, -74.94)   30.63                80
 01/24/2025   18:26:59   (   0.02, -75.24) (  -0.09, -75.69)   51.57                80
 01/25/2025   18:10:51   (   0.02, -75.25) (   0.93, -71.15)  467.06                80
 01/27/2025   06:32:36   (  -0.03, -75.26) (   0.21, -76.41)  130.93                80
 01/28/2025   06:11:08   (  -0.03, -75.27) (  -0.81, -71.87)  387.67                80
 01/29/2025   18:32:59   (   0.04, -75.29) (  -0.39, -77.16)  212.50                80
 01/30/2025   18:16:52   (   0.04, -75.31) (   0.64, -72.62)  306.89                80
 02/01/2025   06:38:35   (  -0.04, -75.33) (   0.54, -77.87)  289.20                80