Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 10 20.  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) (   0.26,-128.28)    4.40                80
 10/22/2021   16:26:39   (  -0.29,-128.31) (  -0.40,-127.92)   45.73                80
 10/24/2021   04:42:57   (   0.30,-128.33) (  -0.64,-132.55)  480.89                80
 10/25/2021   04:24:56   (   0.29,-128.34) (   0.47,-127.57)   88.19                80
 10/26/2021   16:41:07   (  -0.30,-128.37) (   0.56,-132.17)  433.01                80
 10/27/2021   16:23:06   (  -0.29,-128.38) (  -0.55,-127.19)  135.77                80
 10/29/2021   04:39:26   (   0.30,-128.39) (  -0.43,-131.83)  391.68                80
 10/30/2021   04:21:24   (   0.29,-128.40) (   0.63,-126.84)  176.71                80
 10/31/2021   16:37:34   (  -0.30,-128.42) (   0.39,-131.44)  345.41                80
 11/01/2021   16:19:34   (  -0.29,-128.42) (  -0.72,-126.47)  222.85                80