Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 8 12.  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) (   0.10,-128.41)   27.85                80
 08/15/2021   16:34:27   (  -0.13,-128.16) (  -0.15,-128.03)   15.20                80
 08/18/2021   04:30:07   (   0.13,-128.23) (   0.24,-127.69)   61.63                80
 08/19/2021   16:51:37   (  -0.10,-128.19) (   0.80,-132.28)  465.76                80
 08/20/2021   16:28:18   (  -0.13,-128.21) (  -0.34,-127.32)  101.92                80
 08/22/2021   04:49:57   (   0.10,-128.27) (  -0.71,-131.95)  418.72                80
 08/23/2021   04:26:38   (   0.12,-128.27) (   0.43,-126.98)  148.23                80
 08/24/2021   16:48:07   (  -0.09,-128.23) (   0.66,-131.56)  379.81                80
 08/25/2021   16:24:47   (  -0.12,-128.24) (  -0.48,-126.59)  187.83                80