Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 10 28.  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)
 10/28/2021   18:09:01   (  -0.33,-128.39) (  -0.03,-129.84)  164.67                80
 10/29/2021   17:51:02   (  -0.32,-128.40) (  -1.10,-124.84)  405.54                80
 10/31/2021   06:10:03   (   0.32,-128.40) (   0.11,-129.44)  118.07                80
 11/01/2021   05:48:00   (   0.32,-128.41) (   1.19,-124.44)  451.84                 4
 11/02/2021   18:05:37   (  -0.32,-128.43) (  -0.20,-129.01)   65.57                80
 11/05/2021   06:06:39   (   0.32,-128.43) (   0.31,-128.61)   20.59                80
 11/07/2021   18:04:52   (  -0.31,-128.43) (  -0.39,-128.18)   29.77                80
 11/09/2021   06:23:52   (   0.30,-128.41) (  -0.69,-132.76)  495.45                80
 11/10/2021   06:00:33   (   0.30,-128.41) (   0.46,-127.77)   72.98                80