Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 12 23.  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)
 12/24/2021   04:37:48   (   0.15,-127.94) (  -0.29,-129.95)  229.02                80
 12/26/2021   16:20:49   (  -0.14,-128.03) (  -0.49,-126.37)  187.93                80
 12/27/2021   04:39:50   (   0.14,-128.03) (  -0.39,-130.30)  259.99                80
 12/29/2021   16:22:40   (  -0.14,-128.10) (  -0.43,-126.68)  161.51                80
 12/30/2021   04:41:53   (   0.13,-128.10) (  -0.45,-130.66)  292.05                80
 01/01/2022   16:24:30   (  -0.12,-128.16) (  -0.36,-126.98)  133.60                80
 01/02/2022   04:43:54   (   0.12,-128.16) (  -0.51,-131.01)  325.59                80
 01/04/2022   16:26:19   (  -0.11,-128.21) (  -0.34,-127.29)  104.87                80
 01/05/2022   04:45:55   (   0.10,-128.20) (  -0.57,-131.36)  359.59                80