Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 4 13.  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)
 04/14/2021   04:40:21   (  -0.12,-128.00) (   0.25,-126.37)  185.57                80
 04/15/2021   16:56:33   (   0.11,-128.05) (   0.74,-130.98)  332.39                80
 04/16/2021   16:38:32   (   0.11,-128.02) (  -0.33,-125.99)  231.43                80
 04/18/2021   04:57:32   (  -0.10,-127.88) (  -0.68,-130.63)  312.99                80
 04/19/2021   04:34:12   (  -0.10,-127.84) (   0.39,-125.65)  250.29                80
 04/20/2021   16:53:03   (   0.10,-127.88) (   0.59,-130.25)  269.04                80
 04/21/2021   16:35:03   (   0.10,-127.85) (  -0.48,-125.26)  294.17                80
 04/23/2021   04:54:02   (  -0.09,-127.69) (  -0.58,-129.89)  250.81                80
 04/24/2021   04:30:42   (  -0.10,-127.65) (   0.49,-124.91)  312.02                80
 04/25/2021   16:49:33   (   0.09,-127.68) (   0.50,-129.51)  208.19                80
 04/26/2021   16:31:32   (   0.10,-127.64) (  -0.58,-124.53)  354.53                80