Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 12 22.  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)
 12/22/2024   20:28:42   (   0.01,-104.66) (  -0.29,-106.03)  155.51                80
 12/23/2024   20:12:35   (   0.01,-104.67) (   0.71,-101.49)  361.74                80
 12/25/2024   08:34:22   (   0.01,-104.71) (   0.44,-106.76)  233.23                80
 12/26/2024   08:12:55   (   0.02,-104.71) (  -0.55,-102.22)  283.82                80
 12/27/2024   20:34:48   (  -0.02,-104.66) (  -0.64,-107.51)  324.54                80
 12/28/2024   20:18:42   (  -0.02,-104.66) (   0.36,-102.98)  192.48                80
 12/30/2024   08:40:28   (   0.02,-104.71) (   0.78,-108.25)  402.59                80
 12/31/2024   08:19:02   (   0.02,-104.70) (  -0.23,-103.71)  113.84                80
 01/01/2025   20:40:54   (  -0.01,-104.65) (  -1.01,-108.99)  495.67                80
 01/02/2025   20:24:48   (  -0.01,-104.65) (   0.01,-104.46)   21.36                80