Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2018 8 24.  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)
 08/25/2018   19:13:26   ( -68.81,  69.77) 08/25/2018   19:14:37  ( -68.72,  70.58)   34.06                71
 08/25/2018   20:04:03   (  68.32,-122.27) 08/25/2018   20:04:09  (  68.34,-122.24)    2.44                 6
 08/25/2018   20:54:44   ( -68.17,  45.24) 08/25/2018   20:53:40  ( -68.17,  45.19)    1.94                64
 08/28/2018   11:30:14   ( -68.39,-173.90) 08/28/2018   11:31:10  ( -68.40,-173.93)    1.89                56
 08/28/2018   12:20:58   (  68.27,  -6.45) 08/28/2018   12:20:37  (  68.29,  -6.41)    2.62                21
 08/28/2018   13:11:28   ( -67.53, 161.80) 08/28/2018   13:10:18  ( -67.57, 160.38)   60.25                70
 08/31/2018   02:56:47   (  69.46, 133.08) 08/31/2018   02:57:53  (  69.35, 135.52)   96.23                66
 08/31/2018   03:47:10   ( -68.34, -58.08) 08/31/2018   03:47:39  ( -68.35, -58.10)    1.67                29
 08/31/2018   04:37:54   (  68.23, 109.37) 08/31/2018   04:37:06  (  68.24, 109.41)    1.86                48
 09/02/2018   19:13:26   (  68.51,-109.85) 09/02/2018   19:14:37  (  68.46,-109.73)    7.37                71
 09/02/2018   20:04:06   ( -68.30,  57.75) 09/02/2018   20:04:08  ( -68.30,  57.71)    1.50                 2
 09/02/2018   20:54:49   (  68.14,-134.74) 09/02/2018   20:53:36  (  68.13,-134.85)    4.58                73
 09/05/2018   11:30:21   (  68.42,   6.04) 09/05/2018   11:31:06  (  68.39,   6.08)    2.88                45
 09/05/2018   12:21:02   ( -68.26, 173.57) 09/05/2018   12:20:37  ( -68.23, 173.52)    3.41                25