Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2018 9 20.  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)
 09/21/2018   11:30:28   (  68.37,   6.09) 09/21/2018   11:31:00  (  68.37,   6.05)    1.67                32
 09/21/2018   12:21:09   ( -68.23, 173.59) 09/21/2018   12:20:30  ( -68.25, 173.55)    2.94                39
 09/24/2018   02:56:46   ( -68.79, -46.00) 09/24/2018   02:57:57  ( -68.68, -45.32)   30.08                71
 09/24/2018   03:47:24   (  68.35, 121.89) 09/24/2018   03:47:28  (  68.35, 121.91)    1.02                 4
 09/24/2018   04:38:05   ( -68.21, -70.61) 09/24/2018   04:36:59  ( -68.18, -70.65)    3.02                66
 09/26/2018   19:13:35   ( -68.45,  70.22) 09/26/2018   19:14:28  ( -68.44,  70.26)    1.91                53
 09/26/2018   20:04:18   (  68.27,-122.24) 09/26/2018   20:03:56  (  68.27,-122.30)    2.23                22
 09/26/2018   20:54:47   ( -67.48,  46.05) 09/26/2018   20:53:38  ( -67.50,  44.44)   68.64                69
 09/29/2018   10:40:05   (  69.37,  17.41) 09/29/2018   10:41:12  (  69.30,  19.60)   86.38                67
 09/29/2018   11:30:30   ( -68.37,-173.91) 09/29/2018   11:30:57  ( -68.37,-173.94)    1.68                27
 09/29/2018   12:21:14   (  68.25,  -6.45) 09/29/2018   12:20:24  (  68.25,  -6.44)    0.98                50
 10/02/2018   02:56:44   (  68.45, 134.45) 10/02/2018   02:57:55  (  68.44, 134.40)    2.18                71
 10/02/2018   03:47:26   ( -68.35, -58.12) 10/02/2018   03:47:25  ( -68.34, -58.09)    1.72                 1
 10/02/2018   04:38:07   (  68.07, 109.55) 10/02/2018   04:36:54  (  68.11, 109.28)   11.96                73