Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 11 3.  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)
 11/05/2021   06:06:38   (   0.32,-128.45) (   0.30,-128.61)   18.27                80
 11/07/2021   18:04:32   (  -0.31,-128.46) (  -0.38,-128.17)   32.49                60
 11/09/2021   06:23:51   (   0.30,-128.44) (  -0.69,-132.75)  491.94                80
 11/10/2021   06:00:33   (   0.30,-128.44) (   0.46,-127.77)   76.87                80
 11/11/2021   18:22:05   (  -0.29,-128.44) (   0.60,-132.32)  442.51                80
 11/12/2021   17:58:47   (  -0.29,-128.44) (  -0.55,-127.33)  126.33                80
 11/14/2021   06:20:26   (   0.28,-128.43) (  -0.51,-131.92)  397.98                80
 11/15/2021   05:57:08   (   0.29,-128.42) (   0.64,-126.93)  170.74                80
 11/16/2021   18:18:40   (  -0.28,-128.43) (   0.42,-131.48)  348.93                80