Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 12 30.  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)
 12/31/2024   08:19:01   (  -0.01,-104.70) (  -0.20,-103.70)  112.83                80
 01/01/2025   20:40:54   (   0.01,-104.64) (  -0.96,-109.00)  496.25                80
 01/02/2025   20:24:48   (   0.01,-104.64) (   0.06,-104.46)   20.58                80
 01/05/2025   08:27:46   (  -0.00,-104.68) (   0.08,-105.19)   57.91                80
 01/06/2025   08:06:19   (  -0.00,-104.67) (  -0.89,-100.64)  458.75                80
 01/07/2025   20:28:11   (   0.00,-104.62) (  -0.31,-105.93)  150.21                80
 01/08/2025   20:12:05   (   0.01,-104.61) (   0.73,-101.40)  366.64                80
 01/10/2025   08:33:50   (  -0.01,-104.66) (   0.41,-106.67)  228.36                80
 01/11/2025   08:12:23   (  -0.01,-104.65) (  -0.58,-102.12)  288.00                80
 01/12/2025   20:34:15   (   0.01,-104.58) (  -0.59,-107.41)  321.80                80