Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 1 10.  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)
 01/11/2021   05:02:08   (  -0.23,-128.13) (  -0.66,-130.13)  227.26                80
 01/12/2021   04:44:08   (  -0.26,-128.11) (   0.39,-125.14)  338.56                80
 01/13/2021   17:00:20   (   0.23,-128.08) (   0.60,-129.74)  189.31                80
 01/14/2021   16:42:19   (   0.26,-128.06) (  -0.44,-124.75)  376.14                80
 01/16/2021   04:58:41   (  -0.23,-128.03) (  -0.54,-129.40)  155.47                80
 01/17/2021   04:40:41   (  -0.25,-128.02) (   0.56,-124.42)  410.32                80
 01/18/2021   16:56:54   (   0.22,-127.99) (   0.43,-129.03)  117.42                80
 01/19/2021   16:38:53   (   0.24,-127.97) (  -0.62,-124.04)  447.88                80
 01/21/2021   04:55:14   (  -0.21,-127.93) (  -0.36,-128.68)   84.66                80
 01/22/2021   04:37:14   (  -0.23,-127.91) (   0.69,-123.69)  480.67                80
 01/23/2021   16:53:26   (   0.20,-127.88) (   0.30,-128.30)   47.74                80