Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2019 12 18.  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)
 12/19/2019   21:55:36   (   0.02,-127.90) (  -0.02,-128.04)   15.33                80
 12/22/2019   09:58:38   (  -0.03,-127.94) (   0.17,-128.77)   95.09                80
 12/23/2019   09:42:34   (  -0.02,-127.93) (  -0.86,-124.24)  421.20                80
 12/24/2019   22:01:50   (   0.03,-127.88) (  -0.32,-129.55)  189.30                80
 12/25/2019   21:45:45   (   0.02,-127.87) (   0.66,-125.00)  326.56                80
 12/27/2019   10:04:52   (  -0.03,-127.90) (   0.53,-130.27)  270.78                80
 12/28/2019   09:48:48   (  -0.02,-127.89) (  -0.51,-125.74)  244.99                80
 12/29/2019   22:08:04   (   0.04,-127.83) (  -0.67,-131.04)  365.78                80
 12/30/2019   21:51:58   (   0.03,-127.82) (   0.31,-126.50)  149.71                80