Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 3 12.  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)
 03/13/2019   19:12:57   (  68.34,-109.64) 03/13/2019   19:13:32  (  68.34,-109.59)    2.32                35
 03/13/2019   20:03:38   ( -68.22,  57.84) 03/13/2019   20:03:03  ( -68.20,  57.87)    2.66                35
 03/16/2019   10:39:16   ( -69.03,-162.10) 03/16/2019   10:40:25  ( -68.96,-160.59)   60.61                69
 03/16/2019   11:29:48   (  68.26,   6.24) 03/16/2019   11:30:02  (  68.28,   6.21)    2.73                14
 03/16/2019   12:20:29   ( -68.13, 173.72) 03/16/2019   12:19:33  ( -68.14, 173.67)    1.97                56
 03/19/2019   02:55:57   ( -68.36, -45.43) 03/19/2019   02:57:06  ( -68.35, -45.47)    2.25                69
 03/19/2019   03:46:41   (  68.23, 122.05) 03/19/2019   03:46:33  (  68.22, 122.02)    1.65                 8
 03/19/2019   04:37:19   ( -67.94, -70.26) 03/19/2019   04:36:06  ( -67.97, -70.65)   16.22                73
 03/21/2019   19:12:50   ( -68.34,  70.38) 03/21/2019   19:13:36  ( -68.36,  70.41)    2.20                46
 03/21/2019   20:03:34   (  68.21,-122.15) 03/21/2019   20:03:03  (  68.23,-122.10)    2.40                31
 03/21/2019   20:53:57   ( -67.11,  46.52) 03/21/2019   20:52:50  ( -67.19,  44.35)   94.01                67
 03/24/2019   10:39:16   (  69.20,  17.68) 03/24/2019   10:40:24  (  69.12,  19.60)   76.73                68
 03/24/2019   11:29:43   ( -68.32,-173.81) 03/24/2019   11:30:07  ( -68.31,-173.77)    1.63                24
 03/24/2019   12:20:27   (  68.19,  -6.34) 03/24/2019   12:19:34  (  68.18,  -6.28)    3.06                53