Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 1 28.  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)
 01/28/2021   16:52:39   (   0.18,-127.68) (   0.14,-127.58)   12.30                80
 01/31/2021   04:50:59   (  -0.17,-127.56) (  -0.12,-127.22)   38.61                80
 02/01/2021   17:07:12   (   0.13,-127.53) (   1.05,-131.84)  489.75                80
 02/02/2021   16:49:12   (   0.16,-127.49) (   0.00,-126.85)   73.52                80
 02/04/2021   05:05:32   (  -0.12,-127.40) (  -1.02,-131.49)  465.40                80
 02/05/2021   04:47:32   (  -0.14,-127.36) (   0.03,-126.50)   97.76                80
 02/06/2021   17:03:45   (   0.10,-127.32) (   0.90,-131.12)  431.47                80
 02/07/2021   16:45:45   (   0.13,-127.27) (  -0.15,-126.13)  131.04                80
 02/09/2021   05:02:05   (  -0.08,-127.17) (  -0.87,-130.76)  409.32                80
 02/10/2021   04:44:04   (  -0.11,-127.12) (   0.19,-125.77)  153.37                80