Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 7 12.  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)
 07/12/2021   16:35:34   (  -0.17,-127.89) (  -0.13,-128.09)   22.45                80
 07/15/2021   04:33:52   (   0.17,-127.78) (   0.15,-127.73)    5.89                80
 07/17/2021   16:34:43   (  -0.17,-127.69) (  -0.22,-127.35)   38.14                80
 07/19/2021   04:53:43   (   0.16,-127.63) (  -0.77,-132.00)  497.14                80
 07/20/2021   04:30:23   (   0.17,-127.58) (   0.30,-127.01)   64.42                80
 07/21/2021   16:49:13   (  -0.16,-127.51) (   0.76,-131.61)  467.33                80
 07/22/2021   16:31:14   (  -0.17,-127.46) (  -0.37,-126.64)   94.51                80
 07/24/2021   04:50:13   (   0.16,-127.39) (  -0.67,-131.27)  441.19                80
 07/25/2021   04:26:53   (   0.18,-127.34) (   0.40,-126.28)  119.81                80