Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 1 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)
 01/23/2021   16:53:26   (   0.20,-127.84) (   0.32,-128.29)   51.74                80
 01/26/2021   04:51:47   (  -0.19,-127.75) (  -0.25,-127.95)   23.41                80
 01/28/2021   16:52:40   (   0.18,-127.67) (   0.14,-127.58)   11.69                80
 01/31/2021   04:50:59   (  -0.17,-127.56) (  -0.12,-127.22)   37.98                80
 02/01/2021   17:07:12   (   0.13,-127.52) (   1.11,-131.83)  491.16                80
 02/02/2021   16:49:12   (   0.16,-127.48) (   0.00,-126.85)   71.98                80
 02/04/2021   05:05:32   (  -0.12,-127.39) (  -1.02,-131.49)  466.57                80
 02/05/2021   04:47:32   (  -0.14,-127.35) (   0.03,-126.50)   96.43                80