Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 1 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)
 01/14/2021   06:08:09   (  -0.13,-128.06) (  -0.39,-129.34)  145.60                80
 01/15/2021   05:50:10   (  -0.15,-128.04) (   0.70,-124.34)  422.17                80
 01/16/2021   18:06:21   (   0.12,-128.03) (   0.30,-128.90)   99.79                80
 01/17/2021   17:48:22   (   0.14,-128.00) (  -0.79,-123.91)  467.59                80
 01/19/2021   06:04:43   (  -0.11,-127.96) (  -0.25,-128.50)   62.55                80
 01/21/2021   18:03:20   (   0.09,-127.92) (   0.10,-128.07)   17.50                56
 01/24/2021   06:03:58   (  -0.07,-127.83) (  -0.04,-127.67)   17.85                80
 01/26/2021   18:02:09   (   0.06,-127.78) (  -0.05,-127.23)   61.48                80