Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 8 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 08/07/2021   18:08:32   (  -0.05,-128.00) (   0.14,-128.97)  109.19                80
 08/08/2021   17:45:12   (  -0.08,-128.03) (  -1.01,-123.98)  461.86                80
 08/10/2021   06:06:51   (   0.05,-128.12) (  -0.05,-128.57)   50.77                80
 08/12/2021   18:05:01   (  -0.05,-128.09) (  -0.02,-128.13)    5.24                80
 08/15/2021   06:00:41   (   0.04,-128.20) (   0.16,-127.74)   52.82                80
 08/16/2021   18:22:12   (  -0.01,-128.13) (   0.91,-132.29)  473.10                80
 08/17/2021   17:58:52   (  -0.03,-128.14) (  -0.24,-127.30)   96.61                80
 08/19/2021   06:20:30   (  -0.00,-128.23) (  -0.83,-131.88)  416.59                80
 08/20/2021   05:57:11   (   0.02,-128.23) (   0.32,-126.89)  152.25                80