Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 12 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/10/2019   07:11:47   (   0.12,-128.16) (  -0.31,-130.07)  218.27                80
 12/12/2019   06:56:56   (   0.12,-128.10) (   0.34,-127.12)  111.42                80
 12/12/2019   19:20:51   (  -0.11,-128.06) (   0.79,-132.27)  478.11                80
 12/14/2019   06:44:44   (   0.12,-128.03) (   0.94,-124.15)  440.38                80
 12/14/2019   19:08:39   (  -0.11,-127.99) (   0.19,-129.30)  149.29                80
 12/16/2019   18:53:47   (  -0.11,-127.92) (  -0.41,-126.34)  179.10                80
 12/17/2019   07:17:51   (   0.09,-127.92) (  -0.70,-131.53)  411.05                80
 12/19/2019   07:05:39   (   0.09,-127.84) (  -0.09,-128.56)   83.18                80
 12/21/2019   06:50:48   (   0.09,-127.76) (   0.57,-125.61)  244.43                80
 12/21/2019   19:14:43   (  -0.08,-127.72) (   0.56,-130.76)  346.08                80
 12/23/2019   19:02:31   (  -0.08,-127.63) (  -0.05,-127.80)   19.07                80