Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 7 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)
 07/13/2021   05:43:48   (   0.13,-127.87) (   1.11,-123.59)  487.68                80
 07/14/2021   18:02:39   (  -0.12,-127.80) (  -0.07,-128.15)   39.96                80
 07/17/2021   06:03:37   (   0.12,-127.72) (   0.09,-127.73)    3.74                80
 07/19/2021   18:01:49   (  -0.12,-127.59) (  -0.18,-127.30)   32.85                80
 07/21/2021   06:20:47   (   0.10,-127.55) (  -0.87,-131.89)  494.20                80
 07/22/2021   05:57:28   (   0.12,-127.50) (   0.27,-126.90)   69.13                80
 07/23/2021   18:16:19   (  -0.10,-127.39) (   0.78,-131.46)  462.36                80
 07/24/2021   17:58:18   (  -0.12,-127.35) (  -0.30,-126.45)  101.46                80
 07/26/2021   06:17:17   (   0.10,-127.31) (  -0.74,-131.04)  425.43                80