Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 1 26.  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)
 01/26/2021   04:51:47   (  -0.19,-127.75) (  -0.26,-127.95)   23.54                80
 01/28/2021   16:52:39   (   0.18,-127.68) (   0.14,-127.58)   12.09                80
 01/31/2021   04:50:59   (  -0.17,-127.56) (  -0.12,-127.22)   38.36                80
 02/01/2021   17:07:13   (   0.13,-127.53) (   1.06,-131.84)  490.31                80
 02/02/2021   16:49:12   (   0.16,-127.49) (   0.01,-126.85)   72.88                80
 02/04/2021   05:05:32   (  -0.12,-127.40) (  -1.03,-131.48)  465.99                80
 02/05/2021   04:47:32   (  -0.14,-127.35) (   0.02,-126.49)   97.12                80
 02/06/2021   17:03:45   (   0.10,-127.31) (   0.92,-131.11)  432.45                80
 02/07/2021   16:45:45   (   0.13,-127.26) (  -0.13,-126.12)  129.95                80