Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 10 5.  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)
 10/05/2021   04:36:21   (   0.26,-127.84) (  -0.31,-130.43)  295.97                80
 10/06/2021   04:18:21   (   0.24,-127.87) (   0.79,-125.45)  275.43                80
 10/07/2021   16:34:32   (  -0.27,-127.93) (   0.18,-130.07)  242.96                80
 10/08/2021   16:16:31   (  -0.25,-127.96) (  -0.86,-125.07)  328.17                80
 10/10/2021   04:32:51   (   0.27,-128.00) (  -0.08,-129.73)  196.01                80
 10/11/2021   04:14:50   (   0.25,-128.03) (   0.96,-124.73)  374.46                80
 10/12/2021   16:31:01   (  -0.27,-128.07) (   0.01,-129.35)  145.45                80
 10/13/2021   16:13:00   (  -0.25,-128.09) (  -1.10,-124.37)  424.78                80
 10/15/2021   04:29:20   (   0.28,-128.12) (   0.10,-129.01)  100.11                80
 10/16/2021   04:11:18   (   0.26,-128.15) (   1.15,-124.02)  469.97                80
 10/17/2021   16:27:30   (  -0.28,-128.19) (  -0.18,-128.63)   50.24                80