Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 3 18.  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)
 03/18/2021   06:07:25   (  -0.15,-128.37) (  -0.21,-128.50)   15.61                80
 03/20/2021   18:05:39   (   0.15,-128.45) (   0.07,-128.08)   42.56                80
 03/22/2021   06:24:38   (  -0.14,-128.36) (  -1.09,-132.67)  490.63                80
 03/23/2021   06:01:19   (  -0.14,-128.35) (   0.02,-127.67)   77.59                80
 03/24/2021   18:20:11   (   0.14,-128.42) (   1.00,-132.24)  434.83                80
 03/25/2021   18:02:12   (   0.14,-128.42) (  -0.11,-127.24)  133.47                80
 03/27/2021   06:21:11   (  -0.14,-128.32) (  -0.91,-131.84)  400.27                80
 03/28/2021   05:57:52   (  -0.14,-128.31) (   0.20,-126.84)  167.56                80
 03/29/2021   18:16:44   (   0.14,-128.37) (   0.82,-131.40)  345.81                80
 03/30/2021   17:58:44   (   0.14,-128.36) (  -0.30,-126.41)  221.97                80