Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2020 12 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 12/06/2020   15:00:22   (   0.27,-128.04) (   0.53,-129.08)  119.71                80
 12/07/2020   14:45:59   (   0.27,-128.06) (  -0.13,-126.22)  208.95                80
 12/10/2020   03:09:36   (  -0.28,-128.14) (  -0.96,-131.18)  347.34                80
 12/11/2020   02:57:53   (  -0.28,-128.15) (  -0.35,-128.31)   19.18                80
 12/12/2020   02:43:30   (  -0.28,-128.17) (   0.33,-125.46)  309.23                80
 12/14/2020   15:07:07   (   0.30,-128.17) (   0.79,-130.41)  255.56                80
 12/15/2020   14:52:44   (   0.30,-128.18) (   0.18,-127.54)   72.19                80
 12/16/2020   14:41:01   (   0.30,-128.19) (  -0.49,-124.68)  399.74                80
 12/18/2020   03:13:38   (  -0.31,-128.23) (  -1.32,-132.48)  486.33                80
 12/19/2020   03:01:56   (  -0.32,-128.24) (  -0.64,-129.63)  158.73                80