Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 5 15.  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)
 05/16/2019   19:12:59   (  68.31,-109.61) 05/16/2019   19:13:36  (  68.32,-109.64)    2.19                37
 05/16/2019   20:03:41   ( -68.21,  57.82) 05/16/2019   20:03:06  ( -68.21,  57.86)    1.49                35
 05/19/2019   10:39:21   ( -68.92,-161.97) 05/19/2019   10:40:31  ( -68.81,-160.81)   48.35                70
 05/19/2019   11:29:55   (  68.27,   6.20) 05/19/2019   11:30:06  (  68.25,   6.15)    2.92                11
 05/19/2019   12:20:36   ( -68.13, 173.70) 05/19/2019   12:19:36  ( -68.14, 173.66)    2.79                60
 05/22/2019   02:56:07   ( -68.36, -45.45) 05/22/2019   02:57:08  ( -68.35, -45.50)    1.87                61
 05/22/2019   03:46:51   (  68.24, 122.00) 05/22/2019   03:46:35  (  68.24, 122.01)    0.76                16
 05/22/2019   04:37:24   ( -67.66, -69.96) 05/22/2019   04:36:13  ( -67.69, -71.00)   44.02                71
 05/24/2019   19:13:02   ( -68.33,  70.35) 05/24/2019   19:13:36  ( -68.34,  70.37)    1.23                34
 05/24/2019   20:03:46   (  68.21,-122.19) 05/24/2019   20:03:03  (  68.22,-122.13)    2.68                43
 05/27/2019   10:39:21   (  68.67,  18.36) 05/27/2019   10:40:32  (  68.58,  18.91)   24.38                71
 05/27/2019   11:29:58   ( -68.30,-173.84) 05/27/2019   11:30:05  ( -68.32,-173.78)    3.58                 7
 05/27/2019   12:20:41   (  68.13,  -6.32) 05/27/2019   12:19:33  (  68.14,  -6.34)    1.20                68