Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 1 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)
 01/06/2021   05:05:34   (  -0.25,-128.20) (  -0.84,-130.84)  301.44                80
 01/07/2021   04:47:35   (  -0.27,-128.19) (   0.26,-125.87)  265.03                80
 01/08/2021   17:03:47   (   0.24,-128.17) (   0.73,-130.47)  261.91                80
 01/09/2021   16:45:46   (   0.26,-128.15) (  -0.31,-125.48)  303.84                80
 01/11/2021   05:02:08   (  -0.23,-128.13) (  -0.68,-130.12)  227.44                80
 01/12/2021   04:44:07   (  -0.26,-128.11) (   0.37,-125.13)  338.36                80
 01/13/2021   17:00:20   (   0.23,-128.08) (   0.62,-129.74)  189.22                80
 01/14/2021   16:42:20   (   0.26,-128.06) (  -0.48,-124.76)  376.25                80
 01/16/2021   04:58:41   (  -0.23,-128.03) (  -0.51,-129.41)  155.71                80
 01/17/2021   04:40:41   (  -0.25,-128.02) (   0.54,-124.41)  410.05                80
 01/18/2021   16:56:53   (   0.22,-127.99) (   0.46,-129.02)  117.39                80
 01/19/2021   16:38:54   (   0.24,-127.97) (  -0.64,-124.04)  447.90                80