Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 4 22.  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)
 04/23/2021   04:54:04   (  -0.09,-127.70) (  -0.60,-129.90)  251.31                80
 04/24/2021   04:33:25   (  -0.09,-127.66) (   0.50,-124.92)  311.53                80
 04/25/2021   16:49:37   (   0.09,-127.70) (   0.47,-129.53)  208.21                80
 04/26/2021   16:31:37   (   0.09,-127.66) (  -0.58,-124.54)  354.51                80
 04/28/2021   04:50:37   (  -0.09,-127.50) (  -0.47,-129.18)  191.97                80
 04/29/2021   04:27:17   (  -0.09,-127.45) (   0.64,-124.20)  369.95                80
 04/30/2021   16:46:09   (   0.08,-127.48) (   0.39,-128.80)  151.53                80
 05/01/2021   16:28:09   (   0.08,-127.43) (  -0.71,-123.83)  410.30                80
 05/03/2021   04:47:09   (  -0.07,-127.26) (  -0.33,-128.46)  136.84                80
 05/04/2021   04:23:49   (  -0.07,-127.21) (   0.72,-123.47)  424.66                80
 05/05/2021   16:42:41   (   0.07,-127.23) (   0.25,-128.08)   97.40                80