Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 10 28.  Predictions up to the next  14.0 days:

     Date     Time(NPP) NPP Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/29/2019   02:05:47   (  68.77, 146.74) 10/29/2019   02:06:59  (  68.67, 147.31)   25.85                72
 10/29/2019   02:56:23   ( -68.38, -45.42) 10/29/2019   02:56:32  ( -68.40, -45.39)    3.06                 9
 10/29/2019   03:47:07   (  68.24, 122.06) 10/29/2019   03:46:00  (  68.23, 122.05)    1.55                67
 10/31/2019   18:22:35   (  68.44, -97.05) 10/31/2019   18:23:32  (  68.46, -97.07)    2.03                57
 10/31/2019   19:13:16   ( -68.31,  70.44) 10/31/2019   19:13:03  ( -68.30,  70.37)    2.67                13
 10/31/2019   20:03:49   (  67.58,-121.35) 10/31/2019   20:02:40  (  67.62,-122.77)   60.28                69
 11/03/2019   10:39:29   (  68.43,  18.73) 11/03/2019   10:40:02  (  68.41,  18.75)    2.73                33
 11/03/2019   11:30:10   ( -68.30,-173.78) 11/03/2019   11:29:32  ( -68.31,-173.73)    2.44                38
 11/06/2019   02:05:47   ( -68.98, -33.53) 11/06/2019   02:06:58  ( -68.87, -32.44)   45.27                71
 11/06/2019   02:56:22   (  68.37, 134.58) 11/06/2019   02:56:32  (  68.35, 134.57)    1.67                10
 11/06/2019   03:47:03   ( -68.23, -57.93) 11/06/2019   03:46:02  ( -68.26, -57.91)    3.19                61
 11/08/2019   18:22:30   ( -68.43,  82.96) 11/08/2019   18:23:34  ( -68.43,  82.89)    2.70                64
 11/08/2019   19:13:14   (  68.31,-109.58) 11/08/2019   19:13:01  (  68.30,-109.61)    1.96                13
 11/08/2019   20:03:48   ( -67.80,  58.39) 11/08/2019   20:02:37  ( -67.87,  57.52)   37.58                71