Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 1 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-18)   GOES-18 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 01/27/2025   22:34:13   (   0.00,-137.01) (  -0.12,-137.50)   56.28                80
 01/28/2025   22:18:05   (   0.00,-137.01) (   0.90,-132.96)  461.29                80
 01/30/2025   10:39:48   (  -0.01,-137.00) (   0.27,-138.21)  138.63                80
 01/31/2025   10:21:01   (  -0.01,-136.99) (  -0.76,-133.67)  378.79                80
 02/01/2025   22:40:12   (   0.01,-137.00) (  -0.43,-138.96)  223.48                80
 02/02/2025   22:24:05   (   0.01,-136.99) (   0.60,-134.42)  293.74                80
 02/04/2025   10:43:07   (  -0.01,-136.97) (   0.61,-139.66)  306.94                80
 02/05/2025   10:27:00   (  -0.01,-136.96) (  -0.43,-135.12)  209.74                80
 02/06/2025   22:46:11   (   0.02,-136.95) (  -0.75,-140.41)  394.10                80
 02/07/2025   22:30:02   (   0.02,-136.94) (   0.24,-135.86)  122.12                80
 02/09/2025   10:49:06   (  -0.02,-136.90) (   0.90,-141.12)  479.87                80