Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 8 13.  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)
 08/13/2021   04:36:17   (   0.14,-128.17) (   0.07,-128.41)   27.83                80
 08/15/2021   16:31:47   (  -0.13,-128.17) (  -0.17,-128.03)   15.37                80
 08/18/2021   04:30:07   (   0.13,-128.23) (   0.26,-127.69)   61.88                80
 08/19/2021   16:51:38   (  -0.10,-128.20) (   0.78,-132.29)  465.38                80
 08/20/2021   16:28:17   (  -0.12,-128.21) (  -0.31,-127.31)  102.35                80
 08/22/2021   04:49:57   (   0.10,-128.27) (  -0.69,-131.95)  418.30                80
 08/23/2021   04:26:37   (   0.12,-128.28) (   0.40,-126.97)  148.67                80
 08/24/2021   16:48:07   (  -0.09,-128.24) (   0.64,-131.56)  379.20                80
 08/25/2021   16:24:48   (  -0.12,-128.25) (  -0.50,-126.60)  188.50                80