Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 4 29.  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)
 04/30/2021   16:46:10   (   0.07,-127.67) (   0.32,-128.82)  130.42                80
 05/01/2021   16:28:10   (   0.07,-127.71) (  -0.79,-123.84)  441.17                80
 05/03/2021   04:47:11   (  -0.06,-127.69) (  -0.26,-128.47)   90.43                80
 05/04/2021   04:23:51   (  -0.07,-127.72) (   0.85,-123.50)  480.66                80
 05/05/2021   16:42:44   (   0.06,-127.87) (   0.12,-128.11)   27.41                80
 05/08/2021   04:41:04   (  -0.06,-127.89) (  -0.05,-127.77)   13.27                80
 05/09/2021   16:59:57   (   0.06,-128.03) (   1.02,-132.38)  496.28                80
 05/10/2021   16:41:57   (   0.06,-128.07) (  -0.09,-127.41)   75.04                80
 05/12/2021   05:00:57   (  -0.05,-128.05) (  -0.95,-132.04)  455.62                80
 05/13/2021   04:37:38   (  -0.05,-128.08) (   0.16,-127.07)  114.64                80