Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 12 15.  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)
 12/17/2021   16:15:11   (  -0.18,-127.67) (  -0.66,-125.42)  255.48                80
 12/18/2021   04:33:40   (   0.18,-127.61) (  -0.16,-129.23)  183.90                80
 12/20/2021   16:17:04   (  -0.17,-127.54) (  -0.55,-125.74)  204.96                80
 12/21/2021   04:35:43   (   0.16,-127.48) (  -0.28,-129.58)  239.26                80
 12/23/2021   16:18:57   (  -0.15,-127.40) (  -0.43,-126.04)  153.76                80
 12/24/2021   04:37:47   (   0.15,-127.33) (  -0.40,-129.93)  295.60                80
 12/26/2021   16:20:50   (  -0.14,-127.25) (  -0.36,-126.35)  102.09                80
 12/27/2021   04:39:50   (   0.14,-127.18) (  -0.52,-130.29)  352.71                80
 12/29/2021   04:06:17   (   0.14,-127.08) (   1.12,-122.71)  497.61                80
 12/29/2021   16:22:41   (  -0.14,-127.09) (  -0.26,-126.66)   49.43                80