Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 12 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 12/17/2019   06:08:58   (   0.12,-127.92) (  -0.18,-129.36)  163.79                80
 12/18/2019   05:45:39   (   0.13,-127.89) (   0.89,-124.36)  401.22                80
 12/19/2019   18:07:11   (  -0.11,-127.83) (   0.15,-128.92)  124.23                80
 12/20/2019   17:43:53   (  -0.12,-127.80) (  -0.99,-123.93)  440.79                80
 12/22/2019   06:05:34   (   0.11,-127.74) (  -0.05,-128.52)   88.85                80
 12/23/2019   05:42:15   (   0.12,-127.70) (   1.03,-123.52)  475.65                80
 12/24/2019   18:03:47   (  -0.10,-127.63) (   0.00,-128.08)   50.80                80
 12/27/2019   06:02:09   (   0.09,-127.53) (   0.04,-127.67)   16.86                80
 12/29/2019   17:57:43   (  -0.08,-127.41) (  -0.14,-127.24)   20.41                80