Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 1 3.  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)
 01/03/2025   18:24:15   (  -0.02, -75.20) (   0.15, -74.34)   97.38                80
 01/06/2025   06:24:34   (   0.01, -75.21) (  -0.02, -75.07)   15.70                80
 01/08/2025   18:27:40   (  -0.01, -75.25) (  -0.12, -75.83)   66.03                80
 01/09/2025   18:11:33   (  -0.01, -75.26) (   0.87, -71.29)  452.54                80
 01/11/2025   06:33:17   (   0.01, -75.27) (   0.32, -76.54)  146.09                80
 01/12/2025   06:11:50   (   0.00, -75.28) (  -0.74, -72.01)  372.55                80
 01/13/2025   18:33:43   (  -0.00, -75.31) (  -0.42, -77.31)  226.89                80
 01/14/2025   18:17:35   (  -0.00, -75.33) (   0.59, -72.76)  292.65                80
 01/16/2025   06:39:20   (   0.00, -75.35) (   0.57, -78.02)  303.71                80