Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 10 14.  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)
 10/15/2021   04:29:19   (   0.27,-128.14) (   0.06,-129.00)   98.66                80
 10/16/2021   04:11:19   (   0.26,-128.16) (   1.17,-124.02)  471.50                80
 10/17/2021   16:27:30   (  -0.28,-128.20) (  -0.20,-128.63)   48.46                80
 10/20/2021   04:25:48   (   0.29,-128.26) (   0.26,-128.28)    3.99                80
 10/22/2021   16:26:39   (  -0.29,-128.32) (  -0.40,-127.92)   46.45                80
 10/24/2021   04:42:58   (   0.30,-128.35) (  -0.59,-132.56)  478.65                80
 10/25/2021   04:24:56   (   0.29,-128.36) (   0.46,-127.57)   90.66                80
 10/26/2021   16:41:08   (  -0.30,-128.39) (   0.51,-132.18)  431.25                80
 10/27/2021   16:23:06   (  -0.29,-128.40) (  -0.54,-127.19)  137.80                80