Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 8 14.  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)
 08/15/2021   06:00:41   (   0.04,-128.22) (   0.14,-127.73)   55.28                80
 08/16/2021   18:22:11   (  -0.00,-128.16) (   0.93,-132.28)  469.72                80
 08/17/2021   17:58:52   (  -0.03,-128.17) (  -0.22,-127.29)  100.37                80
 08/19/2021   06:20:31   (  -0.01,-128.26) (  -0.80,-131.89)  412.60                80
 08/20/2021   05:57:12   (   0.02,-128.27) (   0.35,-126.90)  156.63                80
 08/21/2021   18:18:41   (   0.01,-128.20) (   0.76,-131.44)  369.54                80
 08/22/2021   17:55:21   (  -0.01,-128.21) (  -0.39,-126.45)  200.24                80
 08/24/2021   06:17:01   (  -0.02,-128.31) (  -0.64,-131.05)  312.47                80
 08/25/2021   05:53:41   (   0.01,-128.31) (   0.51,-126.06)  256.74                80
 08/26/2021   18:15:11   (   0.03,-128.24) (   0.53,-130.61)  269.81                80
 08/27/2021   17:51:51   (   0.00,-128.25) (  -0.56,-125.61)  299.73                80