Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2018 10 12.  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)
 10/12/2018   19:13:33   ( -68.42,  70.33) 10/12/2018   19:14:18  ( -68.44,  70.29)    2.32                45
 10/12/2018   20:04:17   (  68.29,-122.20) 10/12/2018   20:03:45  (  68.32,-122.21)    2.94                32
 10/15/2018   10:39:56   (  69.12,  17.85) 10/15/2018   10:41:05  (  69.04,  19.29)   58.01                69
 10/15/2018   11:30:26   ( -68.39,-173.87) 10/15/2018   11:30:45  ( -68.39,-173.89)    1.08                19
 10/15/2018   12:21:10   (  68.26,  -6.39) 10/15/2018   12:20:12  (  68.26,  -6.39)    0.06                58
 10/18/2018   02:56:39   (  68.50, 134.44) 10/18/2018   02:57:42  (  68.48, 134.48)    2.62                63
 10/18/2018   03:47:20   ( -68.37, -58.07) 10/18/2018   03:47:12  ( -68.39, -58.00)    3.56                 8
 10/18/2018   04:37:57   (  67.86, 109.88) 10/18/2018   04:36:45  (  67.92, 109.10)   33.58                72
 10/20/2018   19:13:32   (  68.43,-109.70) 10/20/2018   19:14:10  (  68.42,-109.71)    1.05                38
 10/20/2018   20:04:13   ( -68.29,  57.80) 10/20/2018   20:03:41  ( -68.27,  57.74)    2.95                32
 10/23/2018   10:39:52   ( -69.07,-162.09) 10/23/2018   10:41:02  ( -68.99,-160.77)   53.50                70
 10/23/2018   11:30:25   (  68.36,   6.16) 10/23/2018   11:30:38  (  68.35,   6.09)    2.81                13
 10/23/2018   12:21:07   ( -68.27, 173.59) 10/23/2018   12:20:08  ( -68.27, 173.62)    1.55                59
 10/26/2018   02:56:34   ( -68.47, -45.52) 10/26/2018   02:57:37  ( -68.47, -45.52)    0.73                63
 10/26/2018   03:47:18   (  68.35, 121.94) 10/26/2018   03:47:04  (  68.34, 121.96)    1.19                14
 10/26/2018   04:37:52   ( -67.83, -70.09) 10/26/2018   04:36:40  ( -67.92, -70.90)   35.54                72