Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2026 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)
 01/04/2026   20:40:50   (  -0.06,-104.65) (  -1.06,-108.96)  492.14                80
 01/05/2026   20:24:46   (  -0.06,-104.66) (  -0.03,-104.44)   24.54                80
 01/08/2026   08:27:53   (   0.06,-104.71) (   0.15,-105.19)   54.03                80
 01/09/2026   08:06:30   (   0.06,-104.72) (  -0.88,-100.67)  462.48                80
 01/10/2026   20:28:26   (  -0.07,-104.68) (  -0.35,-105.96)  145.59                80
 01/11/2026   20:12:22   (  -0.07,-104.69) (   0.69,-101.43)  371.44                80
 01/13/2026   08:34:12   (   0.08,-104.75) (   0.51,-106.70)  222.85                80
 01/14/2026   08:12:48   (   0.08,-104.75) (  -0.52,-102.18)  293.59                80
 01/15/2026   20:34:44   (  -0.09,-104.70) (  -0.69,-107.48)  315.43                80
 01/16/2026   20:18:40   (  -0.09,-104.71) (   0.30,-102.94)  201.41                80