Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2020 12 10.  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)
 12/11/2020   06:11:23   (  -0.22,-128.16) (  -0.64,-130.15)  227.10                80
 12/12/2020   05:53:24   (  -0.23,-128.17) (   0.44,-125.15)  344.11                80
 12/13/2020   18:09:37   (   0.22,-128.17) (   0.54,-129.72)  176.00                80
 12/14/2020   17:51:38   (   0.23,-128.19) (  -0.55,-124.72)  394.69                80
 12/16/2020   06:07:59   (  -0.22,-128.22) (  -0.45,-129.32)  125.43                80
 12/17/2020   05:50:00   (  -0.24,-128.23) (   0.63,-124.32)  445.30                80
 12/18/2020   18:06:12   (   0.22,-128.23) (   0.39,-128.88)   75.08                80
 12/19/2020   17:48:13   (   0.24,-128.24) (  -0.76,-123.90)  495.49                80
 12/21/2020   06:04:35   (  -0.22,-128.27) (  -0.25,-128.50)   25.27                80
 12/23/2020   18:05:28   (   0.21,-128.28) (   0.17,-128.06)   25.01                80