Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2019 12 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 12/20/2019   05:32:25   (   0.13,-128.02) (  -0.15,-129.33)  149.27                80
 12/21/2019   05:09:06   (   0.13,-128.05) (   0.94,-124.34)  421.38                80
 12/22/2019   17:30:38   (  -0.12,-128.07) (   0.05,-128.94)   99.02                80
 12/23/2019   17:07:19   (  -0.13,-128.10) (  -1.04,-123.95)  471.63                80
 12/25/2019   05:29:00   (   0.12,-128.16) (   0.04,-128.59)   47.67                80
 12/27/2019   17:24:33   (  -0.11,-128.20) (  -0.14,-128.20)    3.44                80
 12/30/2019   05:22:53   (   0.10,-128.29) (   0.18,-127.83)   51.75                80
 12/31/2019   17:44:26   (  -0.08,-128.29) (   0.82,-132.43)  470.48                80
 01/01/2020   17:21:06   (  -0.09,-128.32) (  -0.27,-127.44)   99.53                80