Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 1 20.  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)
 01/21/2021   04:55:14   (  -0.21,-127.90) (  -0.40,-128.67)   88.01                80
 01/22/2021   04:37:14   (  -0.23,-127.88) (   0.70,-123.69)  476.87                80
 01/23/2021   16:53:26   (   0.20,-127.84) (   0.29,-128.30)   51.84                80
 01/26/2021   04:51:47   (  -0.19,-127.75) (  -0.22,-127.96)   23.08                80
 01/28/2021   16:52:39   (   0.18,-127.67) (   0.16,-127.57)   11.49                80
 01/31/2021   04:51:00   (  -0.17,-127.56) (  -0.08,-127.23)   38.38                80
 02/01/2021   17:07:12   (   0.13,-127.52) (   1.08,-131.83)  491.08                80
 02/02/2021   16:49:12   (   0.16,-127.48) (   0.03,-126.84)   72.05                80