Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 1 10.  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)
 01/11/2025   22:34:56   (  -0.01,-136.99) (  -0.16,-137.65)   75.20                80
 01/12/2025   22:18:48   (  -0.01,-136.98) (   0.83,-133.10)  441.27                80
 01/14/2025   10:40:33   (   0.01,-136.96) (   0.35,-138.36)  159.54                80
 01/15/2025   10:19:06   (   0.01,-136.95) (  -0.70,-133.83)  356.73                80
 01/16/2025   22:40:58   (  -0.01,-136.94) (  -0.47,-139.12)  247.80                80
 01/17/2025   22:24:51   (  -0.01,-136.93) (   0.53,-134.57)  268.51                80
 01/19/2025   10:46:35   (   0.01,-136.91) (   0.64,-139.83)  332.32                80
 01/20/2025   10:25:08   (   0.00,-136.90) (  -0.36,-135.29)  183.63                80
 01/21/2025   22:46:59   (  -0.01,-136.88) (  -0.86,-140.57)  421.70                80
 01/22/2025   22:30:52   (  -0.01,-136.86) (   0.15,-136.03)   94.00                80