Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 10 6.  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)
 10/06/2021   04:18:20   (   0.24,-127.87) (   0.75,-125.45)  275.51                80
 10/07/2021   16:34:32   (  -0.27,-127.93) (   0.22,-130.06)  242.87                80
 10/08/2021   16:16:31   (  -0.25,-127.96) (  -0.88,-125.08)  328.29                80
 10/10/2021   04:32:51   (   0.27,-128.00) (  -0.12,-129.72)  195.77                80
 10/11/2021   04:14:50   (   0.25,-128.03) (   0.99,-124.74)  374.73                80
 10/12/2021   16:31:01   (  -0.27,-128.07) (  -0.02,-129.35)  145.20                80
 10/13/2021   16:13:00   (  -0.25,-128.10) (  -1.06,-124.36)  425.10                80
 10/15/2021   04:29:19   (   0.28,-128.13) (   0.07,-129.00)   99.66                80
 10/16/2021   04:11:19   (   0.26,-128.15) (   1.18,-124.02)  470.44                80
 10/17/2021   16:27:30   (  -0.28,-128.19) (  -0.21,-128.63)   49.80                80