Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 12 13.  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)
 12/13/2021   06:20:27   (   0.15,-127.81) (  -0.78,-131.84)  460.46                80
 12/14/2021   05:57:09   (   0.16,-127.77) (   0.38,-126.86)  104.72                80
 12/15/2021   18:18:41   (  -0.15,-127.75) (   0.64,-131.42)  417.58                80
 12/16/2021   17:55:22   (  -0.16,-127.71) (  -0.46,-126.42)  147.37                80
 12/18/2021   06:17:01   (   0.14,-127.62) (  -0.60,-131.00)  385.46                80
 12/19/2021   05:53:42   (   0.15,-127.57) (   0.50,-126.00)  178.99                80
 12/20/2021   18:15:13   (  -0.13,-127.54) (   0.57,-130.55)  344.39                80
 12/21/2021   17:51:54   (  -0.13,-127.49) (  -0.59,-125.57)  219.94                80
 12/23/2021   06:13:34   (   0.12,-127.39) (  -0.48,-130.15)  313.85                80
 12/24/2021   05:50:14   (   0.12,-127.35) (   0.62,-125.15)  250.10                80
 12/25/2021   18:11:46   (  -0.11,-127.30) (   0.43,-129.70)  273.93                80
 12/26/2021   17:48:26   (  -0.11,-127.25) (  -0.68,-124.71)  289.94                80