Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2020 12 11.  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)
 12/11/2020   02:56:39   (  -0.28,-128.16) (   0.00,-128.39)   40.69                 0
 12/12/2020   02:43:30   (  -0.28,-128.18) (   0.32,-125.45)  310.51                80
 12/14/2020   15:07:07   (   0.30,-128.18) (   0.79,-130.41)  254.45                80
 12/15/2020   14:52:44   (   0.30,-128.19) (   0.12,-127.55)   73.51                80
 12/16/2020   14:41:01   (   0.31,-128.20) (  -0.49,-124.68)  401.27                80
 12/18/2020   03:13:38   (  -0.31,-128.25) (  -1.32,-132.48)  483.78                80
 12/19/2020   03:01:56   (  -0.32,-128.26) (  -0.64,-129.63)  155.95                80
 12/20/2020   02:52:53   (  -0.32,-128.27) (   0.03,-126.77)  171.89                80
 12/21/2020   02:38:31   (  -0.32,-128.28) (   0.71,-123.91)  499.69                80
 12/22/2020   15:13:49   (   0.32,-128.26) (   1.16,-131.71)  394.33                80
 12/23/2020   15:02:07   (   0.33,-128.27) (   0.48,-128.85)   66.75                80
 12/24/2020   14:47:44   (   0.33,-128.28) (  -0.20,-125.99)  260.77                80