Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 1 11.  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)
 01/11/2021   18:09:47   (   0.13,-128.12) (   0.49,-129.74)  183.56                80
 01/12/2021   17:51:47   (   0.16,-128.10) (  -0.60,-124.74)  384.00                80
 01/14/2021   06:08:09   (  -0.13,-128.06) (  -0.38,-129.34)  145.32                80
 01/15/2021   05:50:09   (  -0.15,-128.05) (   0.65,-124.33)  422.60                80
 01/16/2021   18:06:21   (   0.12,-128.03) (   0.30,-128.90)   99.07                80
 01/17/2021   17:48:22   (   0.15,-128.01) (  -0.80,-123.91)  468.48                80
 01/19/2021   06:04:43   (  -0.11,-127.97) (  -0.25,-128.50)   61.48                80
 01/21/2021   18:04:38   (   0.09,-127.93) (   0.10,-128.07)   16.01                22
 01/24/2021   06:03:58   (  -0.07,-127.85) (  -0.04,-127.67)   19.71                80