Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 5 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)
 05/14/2019   02:56:04   (  68.39, 134.52) 05/14/2019   02:57:06  (  68.40, 134.56)    2.25                62
 05/14/2019   03:46:45   ( -68.24, -57.98) 05/14/2019   03:46:37  ( -68.23, -58.00)    1.73                 8
 05/14/2019   04:37:21   (  67.69, 110.02) 05/14/2019   04:36:10  (  67.79, 109.12)   39.43                71
 05/16/2019   19:13:00   (  68.35,-109.67) 05/16/2019   19:13:36  (  68.33,-109.64)    3.07                36
 05/16/2019   20:03:41   ( -68.20,  57.84) 05/16/2019   20:03:06  ( -68.22,  57.86)    1.75                35
 05/19/2019   10:39:21   ( -68.91,-161.96) 05/19/2019   10:40:31  ( -68.80,-160.82)   47.22                70
 05/19/2019   11:29:55   (  68.27,   6.21) 05/19/2019   11:30:06  (  68.25,   6.14)    3.39                11
 05/19/2019   12:20:37   ( -68.17, 173.65) 05/19/2019   12:19:36  ( -68.14, 173.65)    2.98                61
 05/22/2019   02:56:07   ( -68.40, -45.51) 05/22/2019   02:57:06  ( -68.39, -45.45)    2.64                59
 05/22/2019   03:46:50   (  68.24, 122.01) 05/22/2019   03:46:34  (  68.22, 121.99)    2.32                16
 05/22/2019   04:37:23   ( -67.65, -69.94) 05/22/2019   04:36:12  ( -67.67, -71.02)   45.50                71
 05/24/2019   19:13:02   ( -68.32,  70.36) 05/24/2019   19:13:36  ( -68.30,  70.32)    2.59                34
 05/24/2019   20:03:46   (  68.21,-122.19) 05/24/2019   20:03:03  (  68.18,-122.18)    3.14                43