Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2019 9 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-20 Lat/Lon    Distance(km)  Time Diff(sec)
 09/11/2019   10:13:31   (   0.35,-128.20) (   1.11,-131.72)  399.97                80
 09/12/2019   09:52:07   (   0.35,-128.18) (   0.11,-127.19)  113.51                80
 09/13/2019   22:14:03   (  -0.34,-128.11) (  -1.34,-132.48)  498.87                80
 09/14/2019   21:57:59   (  -0.35,-128.09) (  -0.34,-127.95)   15.20                80
 09/17/2019   10:01:04   (   0.34,-128.06) (   0.46,-128.71)   73.45                80
 09/18/2019   09:39:39   (   0.35,-128.03) (  -0.54,-124.17)  439.59                80
 09/19/2019   22:01:35   (  -0.33,-127.95) (  -0.68,-129.47)  174.35                80
 09/20/2019   21:45:31   (  -0.34,-127.91) (   0.32,-124.94)  338.53                80
 09/22/2019   10:04:39   (   0.32,-127.90) (   0.86,-130.21)  264.45                80
 09/23/2019   09:45:55   (   0.33,-127.86) (  -0.14,-125.68)  247.54                80