Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2020 12 25.  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)
 12/25/2020   16:56:05   (   0.27,-128.26) (   0.17,-127.64)   69.47                80
 12/27/2020   05:12:26   (  -0.26,-128.27) (  -1.17,-132.28)  457.54                80
 12/28/2020   04:54:27   (  -0.27,-128.27) (  -0.07,-127.30)  109.66                80
 12/29/2020   17:10:39   (   0.25,-128.25) (   1.06,-131.91)  416.99                80
 12/30/2020   16:52:40   (   0.27,-128.24) (  -0.03,-126.93)  149.64                80
 01/01/2021   05:09:01   (  -0.26,-128.24) (  -0.96,-131.57)  378.80                80
 01/02/2021   04:51:01   (  -0.27,-128.23) (   0.08,-126.58)  187.78                80
 01/03/2021   17:07:13   (   0.26,-128.20) (   0.91,-131.19)  339.65                80
 01/04/2021   16:49:13   (   0.27,-128.19) (  -0.19,-126.21)  226.49                80
 01/06/2021   05:05:34   (  -0.25,-128.18) (  -0.86,-130.84)  303.04                80
 01/07/2021   04:47:34   (  -0.27,-128.17) (   0.24,-125.86)  263.01                80