Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 3 10.  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)
 03/11/2019   02:56:04   (  68.37, 134.54) 03/11/2019   02:57:02  (  68.34, 134.54)    2.69                58
 03/11/2019   03:46:45   ( -68.25, -57.98) 03/11/2019   03:46:32  ( -68.25, -57.95)    1.35                13
 03/11/2019   04:37:18   (  67.51, 110.24) 03/11/2019   04:36:09  (  67.56, 108.91)   56.82                69
 03/13/2019   19:12:57   (  68.34,-109.64) 03/13/2019   19:13:31  (  68.32,-109.61)    2.08                34
 03/13/2019   20:03:37   ( -68.16,  57.91) 03/13/2019   20:03:02  ( -68.17,  57.85)    3.14                35
 03/16/2019   10:39:14   ( -68.92,-161.94) 03/16/2019   10:40:24  ( -68.83,-160.75)   49.04                70
 03/16/2019   11:29:48   (  68.26,   6.24) 03/16/2019   11:29:59  (  68.26,   6.20)    1.93                11
 03/16/2019   12:20:30   ( -68.18, 173.66) 03/16/2019   12:19:29  ( -68.16, 173.72)    3.07                61
 03/19/2019   02:55:57   ( -68.36, -45.42) 03/19/2019   02:56:59  ( -68.39, -45.41)    3.29                62
 03/19/2019   03:46:41   (  68.23, 122.05) 03/19/2019   03:46:26  (  68.26, 122.08)    3.12                15
 03/19/2019   04:37:15   ( -67.72, -69.99) 03/19/2019   04:36:03  ( -67.77, -70.85)   36.57                72
 03/21/2019   19:12:50   ( -68.33,  70.40) 03/21/2019   19:13:26  ( -68.34,  70.43)    2.03                36
 03/21/2019   20:03:34   (  68.21,-122.14) 03/21/2019   20:02:53  (  68.21,-122.08)    2.40                41