Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 11 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)
 11/21/2021   04:13:54   (   0.26,-128.36) (   0.89,-125.54)  321.53                80
 11/22/2021   16:08:27   (  -0.26,-128.36) (  -1.18,-124.22)  472.11                80
 11/23/2021   04:36:30   (   0.26,-128.33) (  -0.46,-131.65)  378.60                80
 11/24/2021   16:31:28   (  -0.26,-128.33) (   0.18,-130.44)  239.88                80
 11/26/2021   04:26:00   (   0.25,-128.27) (   0.04,-129.11)   95.74                80
 11/27/2021   16:24:16   (  -0.25,-128.26) (  -0.32,-128.04)   25.73                80
 11/29/2021   04:19:22   (   0.25,-128.21) (   0.53,-126.85)  153.78                80
 11/30/2021   16:15:32   (  -0.24,-128.20) (  -0.73,-125.93)  258.13                80
 12/02/2021   04:11:14   (   0.24,-128.13) (   0.97,-124.89)  369.76                80
 12/03/2021   16:07:58   (  -0.24,-128.11) (  -1.10,-124.09)  457.19                80