Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 12 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/14/2019   06:44:45   (   0.12,-128.03) (   0.95,-124.16)  440.47                80
 12/14/2019   19:08:40   (  -0.11,-128.00) (   0.19,-129.30)  148.30                80
 12/16/2019   18:53:49   (  -0.10,-127.93) (  -0.43,-126.35)  180.14                80
 12/17/2019   07:17:53   (   0.09,-127.92) (  -0.70,-131.53)  410.85                80
 12/19/2019   07:05:43   (   0.09,-127.85) (  -0.04,-128.59)   83.08                80
 12/21/2019   06:50:52   (   0.09,-127.77) (   0.54,-125.62)  244.29                80
 12/21/2019   19:14:47   (  -0.08,-127.74) (   0.55,-130.78)  345.38                80
 12/23/2019   18:59:58   (  -0.08,-127.66) (  -0.07,-127.83)   18.99                80
 12/25/2019   18:47:48   (  -0.08,-127.57) (  -0.68,-124.88)  307.29                80
 12/26/2019   07:11:51   (   0.07,-127.56) (  -0.47,-130.06)  283.96                80