Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 12 6.  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)
 12/07/2018   06:00:44   (   0.20,-128.56) (  -0.36,-131.13)  292.11                80
 12/08/2018   05:37:22   (   0.20,-128.56) (   0.72,-126.12)  277.67                80
 12/09/2018   17:56:10   (  -0.19,-128.58) (   0.26,-130.69)  239.78                80
 12/10/2018   17:38:08   (  -0.19,-128.60) (  -0.82,-125.69)  330.77                80
 12/12/2018   05:57:05   (   0.17,-128.61) (  -0.17,-130.30)  191.76                80
 12/13/2018   05:33:43   (   0.18,-128.61) (   0.91,-125.29)  377.58                80
 12/14/2018   17:52:30   (  -0.17,-128.61) (   0.12,-129.85)  141.40                80
 12/15/2018   17:34:28   (  -0.17,-128.62) (  -1.02,-124.86)  428.69                80
 12/17/2018   05:53:25   (   0.16,-128.63) (  -0.03,-129.45)   93.58                80
 12/18/2018   05:30:03   (   0.16,-128.63) (   1.11,-124.46)  475.15                80
 12/19/2018   17:48:51   (  -0.15,-128.62) (  -0.08,-129.02)   45.82                80