Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 4 24.  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)
 04/24/2021   04:33:25   (  -0.09,-127.66) (   0.53,-124.93)  311.58                80
 04/25/2021   16:49:36   (   0.09,-127.70) (   0.50,-129.53)  207.62                80
 04/26/2021   16:31:37   (   0.09,-127.67) (  -0.61,-124.55)  355.20                80
 04/28/2021   04:50:37   (  -0.08,-127.50) (  -0.44,-129.18)  191.47                80
 04/29/2021   04:27:17   (  -0.09,-127.45) (   0.60,-124.19)  370.58                80
 04/30/2021   16:46:09   (   0.08,-127.49) (   0.37,-128.81)  150.33                80
 05/01/2021   16:28:10   (   0.08,-127.44) (  -0.74,-123.83)  411.60                80
 05/03/2021   04:47:10   (  -0.07,-127.27) (  -0.31,-128.47)  135.80                80
 05/04/2021   04:23:49   (  -0.07,-127.22) (   0.74,-123.48)  425.86                80
 05/05/2021   16:42:42   (   0.07,-127.24) (   0.23,-128.09)   95.66                80
 05/06/2021   16:24:41   (   0.07,-127.20) (  -0.82,-123.10)  466.37                80