Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2021 2 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 02/02/2021   18:01:28   (   0.02,-127.51) (   0.14,-128.10)   66.86                80
 02/03/2021   17:43:28   (   0.05,-127.47) (  -0.93,-123.09)  498.65                80
 02/05/2021   05:59:48   (  -0.00,-127.36) (  -0.10,-127.69)   37.85                80
 02/07/2021   18:00:40   (  -0.02,-127.30) (  -0.03,-127.26)    4.53                80
 02/10/2021   05:59:01   (   0.04,-127.13) (   0.13,-126.86)   31.88                80
 02/11/2021   18:15:12   (  -0.08,-127.11) (   0.87,-131.42)  490.96                80
 02/12/2021   17:57:11   (  -0.05,-127.06) (  -0.19,-126.41)   73.87                80
 02/14/2021   06:13:32   (   0.10,-126.94) (  -0.82,-131.01)  464.14                80