Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 4 22.  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)
 04/22/2019   19:12:44   ( -68.36,  70.38) 04/22/2019   19:13:36  ( -68.37,  70.42)    1.98                52
 04/22/2019   20:03:28   (  68.23,-122.15) 04/22/2019   20:03:04  (  68.21,-122.12)    2.45                24
 04/22/2019   20:53:55   ( -67.34,  46.27) 04/22/2019   20:52:46  ( -67.42,  44.60)   71.73                69
 04/25/2019   10:39:15   (  69.30,  17.55) 04/25/2019   10:40:22  (  69.23,  19.74)   86.73                67
 04/25/2019   11:29:40   ( -68.30,-173.78) 04/25/2019   11:30:07  ( -68.28,-173.81)    2.97                27
 04/25/2019   12:20:24   (  68.18,  -6.32) 04/25/2019   12:19:34  (  68.17,  -6.29)    1.29                50
 04/28/2019   02:55:55   (  68.39, 134.54) 04/28/2019   02:57:06  (  68.40, 134.58)    1.48                71
 04/28/2019   03:46:36   ( -68.25, -57.95) 04/28/2019   03:46:37  ( -68.23, -57.99)    2.45                 1
 04/28/2019   04:37:18   (  68.02, 109.65) 04/28/2019   04:36:05  (  68.07, 109.46)    9.30                73
 04/30/2019   19:12:51   (  68.35,-109.63) 04/30/2019   19:13:36  (  68.34,-109.62)    0.95                45
 04/30/2019   20:03:32   ( -68.19,  57.88) 04/30/2019   20:03:07  ( -68.17,  57.82)    3.36                25
 05/03/2019   10:39:17   ( -69.21,-162.34) 05/03/2019   10:40:25  ( -69.10,-160.43)   76.38                68
 05/03/2019   11:29:46   (  68.30,   6.19) 05/03/2019   11:30:05  (  68.27,   6.18)    3.44                19
 05/03/2019   12:20:27   ( -68.14, 173.71) 05/03/2019   12:19:35  ( -68.16, 173.69)    2.36                52
 05/06/2019   02:55:58   ( -68.36, -45.43) 05/06/2019   02:57:07  ( -68.36, -45.48)    1.94                69
 05/06/2019   03:46:42   (  68.25, 122.02) 05/06/2019   03:46:34  (  68.24, 122.03)    1.25                 8