Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 12 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 12/11/2021   16:11:58   (  -0.05,-137.21) (  -0.92,-133.41)  433.70                80
 12/13/2021   04:47:13   (   0.05,-137.21) (  -0.91,-141.21)  457.35                80
 12/14/2021   04:35:27   (   0.05,-137.20) (  -0.21,-138.34)  129.11                80
 12/15/2021   04:20:59   (   0.05,-137.20) (   0.43,-135.45)  199.01                80
 12/17/2021   16:41:42   (  -0.04,-137.19) (   0.68,-140.36)  361.17                80
 12/18/2021   16:29:55   (  -0.03,-137.18) (   0.06,-137.48)   33.90                80
 12/19/2021   16:20:48   (  -0.03,-137.17) (  -0.62,-134.60)  293.42                80
 12/22/2021   04:38:54   (   0.02,-137.14) (  -0.55,-139.51)  271.74                80
 12/23/2021   04:29:47   (   0.01,-137.12) (   0.15,-136.64)   55.15                80
 12/24/2021   04:18:00   (   0.01,-137.10) (   0.79,-133.76)  381.74                80