Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 12 22.  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)
 12/23/2021   16:18:58   (  -0.15,-127.94) (  -0.58,-126.07)  213.49                80
 12/24/2021   04:37:47   (   0.15,-127.94) (  -0.32,-129.95)  229.12                80
 12/26/2021   16:20:50   (  -0.14,-128.03) (  -0.51,-126.38)  187.77                80
 12/27/2021   04:39:51   (   0.14,-128.03) (  -0.37,-130.31)  260.18                80
 12/29/2021   16:22:40   (  -0.14,-128.10) (  -0.45,-126.69)  161.20                80
 12/30/2021   04:41:53   (   0.13,-128.10) (  -0.43,-130.67)  292.38                80
 01/01/2022   16:24:30   (  -0.12,-128.16) (  -0.38,-126.99)  133.13                80
 01/02/2022   04:43:55   (   0.12,-128.15) (  -0.49,-131.02)  326.06                80
 01/04/2022   16:26:19   (  -0.11,-128.20) (  -0.29,-127.28)  104.21                80
 01/05/2022   04:45:54   (   0.10,-128.20) (  -0.61,-131.36)  360.20                80