Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 7 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)
 07/07/2021   16:39:03   (  -0.15,-128.06) (  -0.01,-128.82)   85.26                80
 07/08/2021   16:21:03   (  -0.16,-128.03) (  -1.08,-123.83)  478.42                80
 07/10/2021   04:40:02   (   0.16,-127.96) (   0.03,-128.46)   57.55                80
 07/12/2021   16:35:34   (  -0.17,-127.88) (  -0.15,-128.09)   23.34                80
 07/15/2021   04:33:53   (   0.17,-127.78) (   0.17,-127.74)    4.03                80
 07/17/2021   16:34:44   (  -0.17,-127.68) (  -0.24,-127.36)   36.64                80
 07/19/2021   04:53:43   (   0.16,-127.61) (  -0.81,-131.99)  498.72                80