Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 8 16.  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)
 08/18/2021   04:30:07   (   0.12,-128.24) (   0.24,-127.69)   62.21                80
 08/19/2021   16:51:37   (  -0.10,-128.20) (   0.80,-132.28)  464.59                80
 08/20/2021   16:28:18   (  -0.12,-128.22) (  -0.34,-127.31)  103.25                80
 08/22/2021   04:49:57   (   0.10,-128.28) (  -0.71,-131.95)  417.59                80
 08/23/2021   04:26:38   (   0.12,-128.28) (   0.44,-126.98)  149.47                80
 08/24/2021   16:48:07   (  -0.09,-128.24) (   0.66,-131.56)  377.98                80
 08/25/2021   16:24:47   (  -0.12,-128.26) (  -0.49,-126.59)  189.80                80
 08/27/2021   04:46:27   (   0.08,-128.32) (  -0.56,-131.22)  330.44                80
 08/28/2021   04:23:07   (   0.11,-128.32) (   0.58,-126.25)  236.34                80
 08/29/2021   16:44:36   (  -0.07,-128.27) (   0.51,-130.84)  292.42                80