Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2021 12 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 12/16/2021   06:06:15   (   0.15,-127.69) (  -0.05,-128.52)   94.48                80
 12/17/2021   05:42:56   (   0.16,-127.65) (   1.08,-123.53)  470.15                80
 12/18/2021   18:04:27   (  -0.14,-127.62) (  -0.05,-128.09)   52.55                80
 12/21/2021   06:02:46   (   0.13,-127.48) (   0.07,-127.67)   22.54                80
 12/23/2021   17:58:18   (  -0.12,-127.39) (  -0.18,-127.24)   18.12                80
 12/26/2021   05:56:37   (   0.11,-127.24) (   0.19,-126.82)   47.05                80
 12/27/2021   18:18:08   (  -0.10,-127.19) (   0.82,-131.38)  477.36                80
 12/28/2021   17:54:47   (  -0.10,-127.14) (  -0.25,-126.38)   86.10                80