Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 12 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/12/2019   06:56:56   (   0.12,-128.10) (   0.35,-127.12)  111.49                80
 12/12/2019   19:20:51   (  -0.11,-128.07) (   0.78,-132.27)  477.79                80
 12/14/2019   06:44:44   (   0.12,-128.03) (   0.95,-124.16)  440.56                80
 12/14/2019   19:08:39   (  -0.11,-128.00) (   0.18,-129.30)  148.83                80
 12/16/2019   18:53:47   (  -0.11,-127.92) (  -0.43,-126.34)  179.67                80
 12/17/2019   07:17:51   (   0.09,-127.92) (  -0.67,-131.53)  410.64                80
 12/19/2019   07:05:39   (   0.09,-127.84) (  -0.06,-128.57)   82.56                80
 12/21/2019   06:50:47   (   0.09,-127.76) (   0.56,-125.61)  245.15                80
 12/21/2019   19:14:42   (  -0.08,-127.72) (   0.57,-130.76)  345.05                80
 12/23/2019   19:02:30   (  -0.08,-127.64) (  -0.05,-127.80)   17.85                80