Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 4 23.  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) (  -0.59,-129.90)  251.33                80
 04/24/2021   04:33:25   (  -0.09,-127.66) (   0.52,-124.92)  311.58                80
 04/25/2021   16:49:36   (   0.09,-127.70) (   0.51,-129.52)  207.91                80
 04/26/2021   16:31:37   (   0.09,-127.66) (  -0.59,-124.55)  354.87                80
 04/28/2021   04:50:37   (  -0.09,-127.50) (  -0.46,-129.18)  191.70                80
 04/29/2021   04:27:18   (  -0.09,-127.45) (   0.65,-124.20)  370.29                80
 04/30/2021   16:46:09   (   0.08,-127.48) (   0.38,-128.80)  150.91                80
 05/01/2021   16:28:09   (   0.08,-127.43) (  -0.73,-123.83)  410.97                80
 05/03/2021   04:47:10   (  -0.07,-127.26) (  -0.32,-128.46)  136.29                80
 05/04/2021   04:23:49   (  -0.07,-127.21) (   0.73,-123.47)  425.28                80
 05/05/2021   16:42:42   (   0.07,-127.24) (   0.24,-128.09)   96.51                80
 05/06/2021   16:24:41   (   0.07,-127.19) (  -0.81,-123.10)  465.44                80