Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2018 10 23.  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)
 10/26/2018   02:56:37   ( -68.47, -45.53) 10/26/2018   02:57:37  ( -68.49, -45.51)    2.52                60
 10/26/2018   03:47:21   (  68.34, 121.95) 10/26/2018   03:47:05  (  68.32, 121.92)    2.18                16
 10/26/2018   04:37:53   ( -67.73, -69.97) 10/26/2018   04:36:42  ( -67.83, -71.02)   45.85                71
 10/28/2018   19:13:30   ( -68.44,  70.28) 10/28/2018   19:14:04  ( -68.42,  70.29)    1.59                34
 10/28/2018   20:04:14   (  68.30,-122.24) 10/28/2018   20:03:31  (  68.30,-122.21)    1.22                43
 10/31/2018   10:39:47   (  68.75,  18.31) 10/31/2018   10:40:58  (  68.67,  18.84)   23.26                71
 10/31/2018   11:30:24   ( -68.41,-173.91) 10/31/2018   11:30:31  ( -68.41,-173.85)    2.75                 7
 10/31/2018   12:21:07   (  68.22,  -6.37) 10/31/2018   12:19:59  (  68.23,  -6.42)    2.16                68
 11/03/2018   02:56:36   (  68.46, 134.47) 11/03/2018   02:57:28  (  68.48, 134.50)    2.94                52
 11/03/2018   03:47:17   ( -68.32, -58.04) 11/03/2018   03:46:59  ( -68.34, -58.05)    1.46                18
 11/03/2018   04:37:47   (  67.44, 110.37) 11/03/2018   04:36:39  (  67.47, 108.60)   75.35                68
 11/05/2018   19:13:30   (  68.43,-109.73) 11/05/2018   19:13:56  (  68.40,-109.72)    3.30                26
 11/05/2018   20:04:11   ( -68.29,  57.77) 11/05/2018   20:03:26  ( -68.31,  57.81)    2.82                45