Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 10 8.  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)
 10/08/2021   16:16:31   (  -0.25,-127.96) (  -0.90,-125.08)  328.51                80
 10/10/2021   04:32:51   (   0.27,-128.01) (  -0.10,-129.72)  195.33                80
 10/11/2021   04:14:49   (   0.25,-128.03) (   0.94,-124.73)  375.27                80
 10/12/2021   16:31:01   (  -0.27,-128.08) (   0.02,-129.34)  144.60                80
 10/13/2021   16:13:00   (  -0.25,-128.10) (  -1.08,-124.36)  425.78                80
 10/15/2021   04:29:19   (   0.28,-128.14) (   0.09,-129.00)   98.74                80
 10/16/2021   04:11:19   (   0.26,-128.16) (   1.19,-124.03)  471.44                80
 10/17/2021   16:27:29   (  -0.28,-128.20) (  -0.16,-128.62)   48.78                80
 10/20/2021   04:25:48   (   0.29,-128.26) (   0.28,-128.29)    2.76                80