Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 10 18.  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)
 10/20/2021   04:25:48   (   0.28,-128.25) (   0.28,-128.29)    3.69                80
 10/22/2021   16:26:38   (  -0.29,-128.31) (  -0.36,-127.91)   45.83                80
 10/24/2021   04:42:57   (   0.30,-128.33) (  -0.62,-132.55)  480.19                80
 10/25/2021   04:24:57   (   0.29,-128.35) (   0.49,-127.57)   89.02                80
 10/26/2021   16:41:07   (  -0.30,-128.37) (   0.53,-132.17)  432.46                80
 10/27/2021   16:23:07   (  -0.29,-128.39) (  -0.58,-127.20)  136.47                80
 10/29/2021   04:39:25   (   0.30,-128.40) (  -0.46,-131.83)  390.46                80
 10/30/2021   04:21:24   (   0.29,-128.41) (   0.65,-126.85)  178.03                80
 10/31/2021   16:37:35   (  -0.30,-128.42) (   0.37,-131.45)  344.34                80