Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 4 12.  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)
 04/13/2021   05:01:01   (  -0.12,-128.03) (  -0.84,-131.35)  378.61                80
 04/14/2021   04:40:21   (  -0.12,-128.00) (   0.23,-126.37)  185.54                80
 04/15/2021   16:56:32   (   0.11,-128.05) (   0.76,-130.97)  332.34                80
 04/16/2021   16:38:32   (   0.11,-128.02) (  -0.31,-125.99)  231.51                80
 04/18/2021   04:57:32   (  -0.10,-127.88) (  -0.69,-130.63)  312.91                80
 04/19/2021   04:34:12   (  -0.10,-127.84) (   0.38,-125.64)  250.38                80
 04/20/2021   16:53:03   (   0.10,-127.88) (   0.61,-130.25)  268.87                80
 04/21/2021   16:35:03   (   0.10,-127.85) (  -0.46,-125.26)  294.36                80
 04/23/2021   04:54:02   (  -0.10,-127.69) (  -0.60,-129.89)  250.63                80
 04/24/2021   04:30:41   (  -0.10,-127.65) (   0.48,-124.90)  312.25                80
 04/25/2021   16:49:33   (   0.09,-127.69) (   0.51,-129.51)  207.92                80