Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 7 10.  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)
 07/12/2021   16:35:33   (  -0.17,-127.89) (  -0.11,-128.08)   22.77                80
 07/15/2021   04:33:53   (   0.17,-127.78) (   0.19,-127.74)    4.79                80
 07/17/2021   16:34:44   (  -0.17,-127.69) (  -0.26,-127.36)   37.37                80
 07/19/2021   04:53:43   (   0.16,-127.62) (  -0.79,-132.00)  497.88                80
 07/20/2021   04:30:23   (   0.17,-127.57) (   0.29,-127.01)   63.61                80
 07/21/2021   16:49:14   (  -0.16,-127.50) (   0.72,-131.62)  468.36                80
 07/22/2021   16:31:14   (  -0.17,-127.45) (  -0.36,-126.63)   93.38                80