Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 8 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)
 08/10/2021   16:37:57   (  -0.14,-128.08) (   0.01,-128.75)   76.27                80
 08/11/2021   16:14:38   (  -0.17,-128.10) (  -1.13,-123.78)  492.70                80
 08/13/2021   04:36:17   (   0.14,-128.16) (   0.08,-128.41)   28.21                80
 08/15/2021   16:31:48   (  -0.14,-128.16) (  -0.19,-128.04)   14.41                80
 08/18/2021   04:30:08   (   0.13,-128.22) (   0.28,-127.70)   60.68                80
 08/19/2021   16:51:37   (  -0.10,-128.18) (   0.82,-132.28)  467.16                80
 08/20/2021   16:28:17   (  -0.13,-128.19) (  -0.33,-127.31)  100.38                80
 08/22/2021   04:49:57   (   0.10,-128.26) (  -0.72,-131.94)  420.24                80
 08/23/2021   04:26:37   (   0.13,-128.26) (   0.42,-126.97)  146.59                80