Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 5 9.  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)
 05/11/2019   10:39:19   (  68.99,  17.94) 05/11/2019   10:40:28  (  68.92,  19.34)   56.47                69
 05/11/2019   11:29:50   ( -68.31,-173.83) 05/11/2019   11:30:07  ( -68.31,-173.78)    2.05                17
 05/11/2019   12:20:33   (  68.14,  -6.30) 05/11/2019   12:19:35  (  68.15,  -6.33)    1.45                58
 05/14/2019   02:56:04   (  68.37, 134.54) 05/14/2019   02:57:07  (  68.35, 134.51)    2.10                63
 05/14/2019   03:46:45   ( -68.22, -57.95) 05/14/2019   03:46:37  ( -68.24, -57.98)    3.26                 8
 05/14/2019   04:37:22   (  67.72, 109.98) 05/14/2019   04:36:11  (  67.74, 109.07)   38.22                71
 05/16/2019   19:13:00   (  68.33,-109.64) 05/16/2019   19:13:36  (  68.33,-109.63)    0.46                36
 05/16/2019   20:03:41   ( -68.18,  57.87) 05/16/2019   20:03:07  ( -68.17,  57.81)    2.71                34
 05/19/2019   10:39:20   ( -68.89,-161.92) 05/19/2019   10:40:30  ( -68.81,-160.81)   45.53                70
 05/19/2019   11:29:55   (  68.30,   6.17) 05/19/2019   11:30:04  (  68.30,   6.21)    1.98                 9
 05/19/2019   12:20:36   ( -68.14, 173.68) 05/19/2019   12:19:35  ( -68.14, 173.66)    0.96                61
 05/22/2019   02:56:07   ( -68.37, -45.47) 05/22/2019   02:57:06  ( -68.38, -45.45)    1.63                59
 05/22/2019   03:46:50   (  68.21, 122.04) 05/22/2019   03:46:34  (  68.21, 121.98)    2.42                16
 05/22/2019   04:37:23   ( -67.62, -69.91) 05/22/2019   04:36:12  ( -67.66, -71.02)   47.05                71