Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2020 12 20.  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)
 12/21/2020   02:38:31   (  -0.32,-128.27) (   0.69,-123.91)  497.84                80
 12/22/2020   15:13:50   (   0.33,-128.24) (   1.13,-131.72)  396.86                80
 12/23/2020   15:02:07   (   0.33,-128.24) (   0.45,-128.86)   69.74                80
 12/24/2020   14:47:44   (   0.33,-128.25) (  -0.17,-125.99)  257.38                80
 12/27/2020   03:08:39   (  -0.33,-128.29) (  -0.96,-130.94)  302.73                80
 12/28/2020   02:59:36   (  -0.34,-128.28) (  -0.28,-128.08)   23.85                80
 12/29/2020   02:47:54   (  -0.34,-128.28) (   0.39,-125.22)  350.27                80
 12/31/2020   15:06:10   (   0.35,-128.23) (   0.77,-130.16)  219.99                80
 01/01/2021   14:57:06   (   0.35,-128.22) (   0.15,-127.29)  105.95                80
 01/02/2021   14:45:24   (   0.36,-128.22) (  -0.54,-124.44)  431.77                80