Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 12 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 12/04/2024   08:28:31   (   0.01,-104.70) (   0.13,-105.31)   68.59                80
 12/05/2024   08:07:06   (   0.01,-104.70) (  -0.88,-100.77)  447.39                80
 12/06/2024   20:29:01   (  -0.01,-104.66) (  -0.30,-106.08)  160.43                80
 12/07/2024   20:12:56   (  -0.01,-104.66) (   0.72,-101.55)  356.24                80
 12/09/2024   08:34:42   (   0.00,-104.70) (   0.46,-106.81)  240.82                80
 12/10/2024   08:13:16   (   0.00,-104.69) (  -0.56,-102.28)  275.47                80
 12/11/2024   20:35:11   (  -0.00,-104.65) (  -0.64,-107.58)  332.77                80
 12/12/2024   20:19:04   (  -0.00,-104.65) (   0.33,-103.03)  183.85                80
 12/14/2024   08:40:51   (  -0.00,-104.69) (   0.78,-108.32)  412.84                80
 12/15/2024   08:19:25   (  -0.01,-104.68) (  -0.20,-103.77)  103.13                80
 12/17/2024   20:25:13   (   0.02,-104.63) (   0.01,-104.53)   10.99                80