Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 1 3.  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)
 01/03/2025   10:47:14   (   0.01,-137.00) (   0.69,-139.96)  337.74                80
 01/04/2025   10:25:47   (   0.01,-136.99) (  -0.34,-135.42)  179.15                80
 01/05/2025   22:47:39   (  -0.02,-136.99) (  -0.86,-140.71)  424.18                80
 01/06/2025   22:31:33   (  -0.02,-136.98) (   0.18,-136.18)   92.46                80
 01/09/2025   10:31:51   (   0.02,-136.96) (  -0.02,-136.90)    8.12                80
 01/11/2025   22:37:35   (  -0.03,-136.92) (  -0.21,-137.63)   81.54                80
 01/12/2025   22:16:08   (  -0.03,-136.91) (   0.85,-133.10)  434.17                80
 01/14/2025   10:40:31   (   0.04,-136.88) (   0.38,-138.35)  168.12                80
 01/15/2025   10:19:04   (   0.03,-136.86) (  -0.62,-133.81)  347.45                80
 01/16/2025   22:43:35   (  -0.04,-136.84) (  -0.57,-139.09)  257.65                80