Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 4 27.  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)
 04/28/2021   04:50:37   (  -0.08,-127.50) (  -0.44,-129.18)  191.46                80
 04/29/2021   04:29:57   (  -0.08,-127.46) (   0.61,-124.19)  370.75                80
 04/30/2021   16:46:09   (   0.07,-127.49) (   0.36,-128.81)  149.43                80
 05/01/2021   16:28:10   (   0.07,-127.45) (  -0.75,-123.83)  412.63                80
 05/03/2021   04:47:10   (  -0.07,-127.27) (  -0.30,-128.47)  135.19                80
 05/04/2021   04:23:50   (  -0.07,-127.23) (   0.75,-123.48)  426.63                80
 05/05/2021   16:42:42   (   0.06,-127.26) (   0.22,-128.09)   94.13                80
 05/06/2021   16:24:41   (   0.07,-127.21) (  -0.83,-123.10)  468.04                80
 05/08/2021   04:43:42   (  -0.06,-127.04) (  -0.20,-127.74)   79.33                80
 05/09/2021   04:20:21   (  -0.07,-126.99) (   0.85,-122.75)  482.35                80
 05/10/2021   16:39:13   (   0.06,-127.02) (   0.12,-127.36)   39.17                80