Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 7 13.  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)
 07/15/2021   04:33:53   (   0.17,-127.79) (   0.18,-127.74)    5.12                80
 07/17/2021   16:34:44   (  -0.17,-127.70) (  -0.25,-127.36)   38.40                80
 07/19/2021   04:53:43   (   0.16,-127.63) (  -0.80,-131.99)  496.80                80
 07/20/2021   04:30:23   (   0.17,-127.58) (   0.27,-127.01)   64.85                80
 07/21/2021   16:49:14   (  -0.16,-127.51) (   0.73,-131.61)  466.80                80
 07/22/2021   16:31:13   (  -0.17,-127.47) (  -0.34,-126.63)   95.06                80
 07/24/2021   04:50:13   (   0.16,-127.40) (  -0.71,-131.26)  440.64                80
 07/25/2021   04:26:53   (   0.18,-127.34) (   0.42,-126.29)  120.41                80
 07/26/2021   16:45:43   (  -0.17,-127.26) (   0.64,-130.88)  412.18                80