Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 6 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)
 06/15/2021   18:05:32   (  -0.10,-128.45) (  -0.16,-128.17)   31.67                80
 06/17/2021   06:24:33   (   0.11,-128.44) (  -0.86,-132.77)  493.77                80
 06/18/2021   06:01:13   (   0.11,-128.43) (   0.26,-127.78)   73.85                80
 06/19/2021   18:20:03   (  -0.11,-128.41) (   0.79,-132.33)  447.82                80
 06/20/2021   18:02:04   (  -0.11,-128.40) (  -0.34,-127.34)  120.21                80
 06/22/2021   06:21:04   (   0.11,-128.38) (  -0.67,-131.94)  405.41                80
 06/23/2021   05:57:44   (   0.11,-128.36) (   0.40,-126.94)  161.36                80
 06/24/2021   18:16:35   (  -0.11,-128.32) (   0.61,-131.50)  362.59                80
 06/25/2021   17:58:36   (  -0.12,-128.30) (  -0.52,-126.51)  204.48                80
 06/27/2021   06:17:35   (   0.12,-128.28) (  -0.52,-131.10)  321.36                80