Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 5 17.  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)
 05/19/2019   10:39:21   ( -68.93,-161.98) 05/19/2019   10:40:31  ( -68.80,-160.82)   48.73                70
 05/19/2019   11:29:55   (  68.28,   6.19) 05/19/2019   11:30:05  (  68.30,   6.21)    2.68                10
 05/19/2019   12:20:36   ( -68.13, 173.70) 05/19/2019   12:19:36  ( -68.14, 173.65)    2.00                60
 05/22/2019   02:56:07   ( -68.36, -45.46) 05/22/2019   02:57:08  ( -68.34, -45.51)    3.36                61
 05/22/2019   03:46:51   (  68.25, 122.00) 05/22/2019   03:46:35  (  68.22, 122.00)    2.45                16
 05/22/2019   04:37:23   ( -67.61, -69.90) 05/22/2019   04:36:13  ( -67.67, -71.01)   47.53                70
 05/24/2019   19:13:02   ( -68.33,  70.35) 05/24/2019   19:13:36  ( -68.32,  70.34)    1.55                34
 05/24/2019   20:03:46   (  68.22,-122.20) 05/24/2019   20:03:03  (  68.20,-122.15)    2.74                43
 05/27/2019   10:39:21   (  68.67,  18.35) 05/27/2019   10:40:32  (  68.56,  18.88)   24.84                71
 05/27/2019   11:29:58   ( -68.30,-173.85) 05/27/2019   11:30:05  ( -68.29,-173.81)    2.00                 7
 05/27/2019   12:20:41   (  68.13,  -6.33) 05/27/2019   12:19:33  (  68.11,  -6.37)    3.07                68
 05/30/2019   02:56:12   (  68.37, 134.51) 05/30/2019   02:57:04  (  68.35, 134.52)    2.21                52
 05/30/2019   03:46:53   ( -68.22, -57.98) 05/30/2019   03:46:35  ( -68.20, -58.03)    2.91                18
 05/30/2019   04:37:23   (  67.35, 110.40) 05/30/2019   04:36:14  (  67.40, 108.70)   73.00                69