Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 12 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)
 12/20/2021   16:17:05   (  -0.17,-127.85) (  -0.59,-125.74)  238.74                80
 12/21/2021   04:35:44   (   0.16,-127.85) (  -0.24,-129.59)  198.65                80
 12/23/2021   16:18:58   (  -0.15,-127.94) (  -0.56,-126.07)  212.89                80
 12/24/2021   04:37:48   (   0.15,-127.94) (  -0.28,-129.96)  229.54                80
 12/26/2021   16:20:51   (  -0.14,-128.02) (  -0.52,-126.39)  186.65                80
 12/27/2021   04:39:52   (   0.14,-128.02) (  -0.36,-130.32)  261.15                80
 12/29/2021   16:22:43   (  -0.14,-128.09) (  -0.47,-126.70)  159.43                80
 12/30/2021   04:41:55   (   0.13,-128.09) (  -0.42,-130.68)  294.01                80
 01/01/2022   16:24:33   (  -0.12,-128.15) (  -0.38,-127.00)  130.55                80