Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 10 9.  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)
 10/09/2021   18:01:56   (  -0.35,-127.99) (  -0.34,-128.16)   18.77                80
 10/12/2021   06:02:59   (   0.35,-128.07) (   0.40,-127.76)   34.79                80
 10/13/2021   18:19:11   (  -0.35,-128.10) (   0.60,-132.32)  481.37                80
 10/14/2021   18:01:13   (  -0.34,-128.12) (  -0.53,-127.33)   90.70                80
 10/16/2021   06:17:35   (   0.35,-128.17) (  -0.47,-131.94)  428.35                80
 10/17/2021   05:59:36   (   0.34,-128.20) (   0.61,-126.93)  143.62                80
 10/18/2021   18:15:48   (  -0.35,-128.23) (   0.40,-131.49)  372.77                80
 10/19/2021   17:57:49   (  -0.35,-128.25) (  -0.73,-126.50)  199.18                80
 10/21/2021   06:16:51   (   0.35,-128.30) (  -0.30,-131.10)  319.82                80
 10/22/2021   05:56:12   (   0.34,-128.32) (   0.84,-126.11)  251.75                80