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)
 01/12/2021   17:51:47   (   0.16,-128.10) (  -0.60,-124.74)  383.89                80
 01/14/2021   06:08:09   (  -0.13,-128.06) (  -0.38,-129.34)  145.47                80
 01/15/2021   05:50:09   (  -0.15,-128.04) (   0.65,-124.33)  422.41                80
 01/16/2021   18:06:21   (   0.12,-128.03) (   0.30,-128.90)   99.37                80
 01/17/2021   17:48:22   (   0.15,-128.01) (  -0.80,-123.91)  468.14                80
 01/19/2021   06:04:43   (  -0.11,-127.96) (  -0.24,-128.50)   61.84                80
 01/21/2021   18:02:55   (   0.09,-127.93) (   0.15,-128.06)   16.58                80
 01/24/2021   06:03:58   (  -0.07,-127.84) (  -0.04,-127.67)   19.09                80