Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2020 12 29.  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)
 12/29/2020   17:10:39   (   0.25,-128.25) (   1.06,-131.91)  416.58                80
 12/30/2020   16:52:40   (   0.27,-128.24) (  -0.04,-126.93)  150.10                80
 01/01/2021   05:09:01   (  -0.26,-128.24) (  -0.96,-131.57)  378.91                80
 01/02/2021   04:51:01   (  -0.27,-128.23) (   0.08,-126.58)  187.72                80
 01/03/2021   17:07:13   (   0.26,-128.21) (   0.91,-131.19)  339.02                80
 01/04/2021   16:49:13   (   0.27,-128.20) (  -0.19,-126.21)  227.16                80
 01/06/2021   05:05:34   (  -0.25,-128.18) (  -0.86,-130.84)  302.95                80
 01/07/2021   04:47:34   (  -0.27,-128.17) (   0.24,-125.86)  263.14                80
 01/08/2021   17:03:47   (   0.24,-128.14) (   0.75,-130.47)  264.47                80
 01/09/2021   16:45:46   (   0.26,-128.12) (  -0.29,-125.48)  300.99                80
 01/11/2021   05:02:07   (  -0.23,-128.10) (  -0.69,-130.12)  230.61                80