Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 1 13.  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)
 01/14/2021   06:08:09   (  -0.13,-128.06) (  -0.41,-129.34)  145.51                80
 01/15/2021   05:50:09   (  -0.15,-128.04) (   0.68,-124.34)  422.28                80
 01/16/2021   18:06:21   (   0.12,-128.03) (   0.33,-128.90)   99.59                80
 01/17/2021   17:48:21   (   0.15,-128.01) (  -0.77,-123.90)  467.85                80
 01/19/2021   06:04:43   (  -0.11,-127.96) (  -0.22,-128.51)   62.18                80
 01/21/2021   18:02:55   (   0.09,-127.92) (   0.12,-128.07)   16.74                80
 01/24/2021   06:03:57   (  -0.07,-127.84) (  -0.06,-127.67)   18.76                80
 01/26/2021   18:02:10   (   0.06,-127.78) (  -0.09,-127.24)   62.33                80