Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2020 12 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 12/23/2020   04:57:53   (  -0.28,-128.27) (  -0.24,-128.02)   27.80                80
 12/24/2020   17:14:05   (   0.26,-128.25) (   1.23,-132.63)  498.12                80
 12/25/2020   16:56:06   (   0.27,-128.26) (   0.13,-127.65)   69.28                80
 12/27/2020   05:12:27   (  -0.26,-128.27) (  -1.13,-132.29)  457.22                80
 12/28/2020   04:54:27   (  -0.27,-128.27) (  -0.04,-127.31)  110.03                80
 12/29/2020   17:10:39   (   0.25,-128.25) (   1.09,-131.90)  416.98                80
 12/30/2020   16:52:39   (   0.27,-128.24) (  -0.01,-126.92)  149.68                80
 01/01/2021   05:09:01   (  -0.26,-128.24) (  -0.99,-131.57)  378.29                80
 01/02/2021   04:51:01   (  -0.28,-128.24) (   0.11,-126.59)  188.33                80
 01/03/2021   17:07:13   (   0.26,-128.21) (   0.88,-131.19)  339.46                80
 01/04/2021   16:49:13   (   0.27,-128.19) (  -0.16,-126.20)  226.71                80