Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2018 10 10.  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   19:13:34   ( -68.47,  70.26) 10/12/2018   19:14:17  ( -68.47,  70.32)    2.41                43
 10/12/2018   20:04:17   (  68.29,-122.19) 10/12/2018   20:03:45  (  68.29,-122.25)    2.35                32
 10/15/2018   10:39:57   (  69.10,  17.87) 10/15/2018   10:41:06  (  69.03,  19.27)   56.03                69
 10/15/2018   11:30:28   ( -68.43,-173.91) 10/15/2018   11:30:45  ( -68.43,-173.85)    2.77                17
 10/15/2018   12:21:11   (  68.24,  -6.37) 10/15/2018   12:20:13  (  68.25,  -6.42)    1.93                58
 10/18/2018   02:56:40   (  68.47, 134.48) 10/18/2018   02:57:43  (  68.48, 134.47)    1.70                63
 10/18/2018   03:47:21   ( -68.33, -58.02) 10/18/2018   03:47:14  ( -68.33, -58.08)    2.26                 7
 10/18/2018   04:37:58   (  67.83, 109.92) 10/18/2018   04:36:47  (  67.87, 109.02)   37.95                71
 10/20/2018   19:13:34   (  68.43,-109.70) 10/20/2018   19:14:11  (  68.44,-109.70)    1.15                37
 10/20/2018   20:04:14   ( -68.29,  57.79) 10/20/2018   20:03:41  ( -68.29,  57.76)    1.55                33
 10/23/2018   10:39:53   ( -69.05,-162.07) 10/23/2018   10:41:03  ( -68.97,-160.80)   51.47                70
 10/23/2018   11:30:27   (  68.39,   6.11) 10/23/2018   11:30:38  (  68.40,   6.14)    1.08                11
 10/23/2018   12:21:08   ( -68.25, 173.61) 10/23/2018   12:20:09  ( -68.25, 173.59)    0.76                59