Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 12 13.  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) (   0.94,-124.15)  440.46                80
 12/14/2019   19:08:39   (  -0.11,-128.00) (   0.20,-129.30)  148.52                80
 12/16/2019   18:53:49   (  -0.10,-127.93) (  -0.43,-126.35)  179.91                80
 12/17/2019   07:17:52   (   0.09,-127.92) (  -0.69,-131.53)  410.89                80
 12/19/2019   07:05:41   (   0.09,-127.85) (  -0.08,-128.58)   83.05                80
 12/21/2019   06:50:50   (   0.09,-127.77) (   0.53,-125.62)  244.34                80
 12/21/2019   19:14:46   (  -0.08,-127.74) (   0.56,-130.78)  345.51                80
 12/23/2019   19:02:35   (  -0.08,-127.65) (  -0.03,-127.82)   18.83                80
 12/25/2019   18:47:45   (  -0.08,-127.57) (  -0.67,-124.87)  307.41                80
 12/26/2019   07:11:49   (   0.07,-127.56) (  -0.46,-130.05)  283.59                80