Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 4 28.  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)
 04/28/2019   04:37:18   (  68.05, 109.61) 04/28/2019   04:36:05  (  68.06, 109.45)    7.03                73
 04/30/2019   19:12:51   (  68.37,-109.66) 04/30/2019   19:13:36  (  68.35,-109.61)    3.32                45
 04/30/2019   20:03:32   ( -68.23,  57.84) 04/30/2019   20:03:06  ( -68.24,  57.89)    2.33                26
 04/30/2019   20:53:57   (  67.08,-133.45) 04/30/2019   20:52:51  (  67.12,-135.74)   98.92                66
 05/03/2019   10:39:18   ( -69.24,-162.38) 05/03/2019   10:40:26  ( -69.13,-160.40)   79.14                68
 05/03/2019   11:29:46   (  68.27,   6.23) 05/03/2019   11:30:06  (  68.30,   6.21)    3.28                20
 05/03/2019   12:20:28   ( -68.18, 173.67) 05/03/2019   12:19:36  ( -68.19, 173.71)    2.34                52
 05/06/2019   02:55:59   ( -68.39, -45.47) 05/06/2019   02:57:08  ( -68.41, -45.42)    2.72                69
 05/06/2019   03:46:42   (  68.23, 122.05) 05/06/2019   03:46:36  (  68.24, 122.02)    2.35                 6
 05/06/2019   04:37:21   ( -67.97, -70.30) 05/06/2019   04:36:08  ( -68.03, -70.61)   14.24                73
 05/08/2019   19:12:54   ( -68.35,  70.35) 05/08/2019   19:13:37  ( -68.35,  70.38)    1.19                43
 05/08/2019   20:03:37   (  68.18,-122.13) 05/08/2019   20:03:05  (  68.18,-122.18)    2.08                32
 05/11/2019   10:39:19   (  69.00,  17.94) 05/11/2019   10:40:28  (  68.89,  19.29)   55.52                69
 05/11/2019   11:29:50   ( -68.30,-173.82) 05/11/2019   11:30:07  ( -68.29,-173.82)    1.99                17
 05/11/2019   12:20:33   (  68.14,  -6.31) 05/11/2019   12:19:34  (  68.17,  -6.31)    2.87                59