Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 7 9.  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)
 07/10/2021   04:40:03   (   0.16,-127.96) (   0.07,-128.47)   57.28                80
 07/12/2021   16:35:33   (  -0.17,-127.89) (  -0.12,-128.09)   22.90                80
 07/15/2021   04:33:53   (   0.17,-127.78) (   0.21,-127.75)    5.23                80
 07/17/2021   16:34:43   (  -0.17,-127.69) (  -0.21,-127.35)   37.19                80
 07/19/2021   04:53:43   (   0.16,-127.62) (  -0.78,-132.00)  498.19                80
 07/20/2021   04:30:23   (   0.17,-127.57) (   0.30,-127.01)   63.29                80
 07/21/2021   16:49:13   (  -0.16,-127.50) (   0.76,-131.61)  468.73                80
 07/22/2021   16:31:14   (  -0.17,-127.45) (  -0.37,-126.64)   93.02                80