Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 12 15.  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)
 12/15/2021   18:18:41   (  -0.15,-127.75) (   0.66,-131.41)  417.49                80
 12/16/2021   17:55:21   (  -0.16,-127.71) (  -0.44,-126.41)  147.33                80
 12/18/2021   06:17:01   (   0.14,-127.61) (  -0.62,-131.00)  386.19                80
 12/19/2021   05:53:41   (   0.15,-127.57) (   0.48,-126.00)  178.14                80
 12/20/2021   18:15:14   (  -0.13,-127.53) (   0.53,-130.56)  344.88                80
 12/21/2021   17:51:54   (  -0.13,-127.49) (  -0.58,-125.57)  219.33                80
 12/23/2021   06:13:33   (   0.12,-127.38) (  -0.49,-130.15)  315.13                80
 12/24/2021   05:50:14   (   0.12,-127.33) (   0.61,-125.15)  248.70                80
 12/25/2021   18:11:45   (  -0.11,-127.29) (   0.44,-129.70)  274.96                80
 12/26/2021   17:48:26   (  -0.11,-127.24) (  -0.67,-124.71)  288.81                80
 12/28/2021   06:10:06   (   0.10,-127.13) (  -0.36,-129.30)  246.41                80
 12/29/2021   05:46:47   (   0.11,-127.08) (   0.75,-124.30)  316.79                80