Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2018 11 13.  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)
 11/13/2018   18:23:02   (  69.17, -98.07) 11/13/2018   18:24:10  (  69.05, -96.42)   66.65                68
 11/13/2018   19:13:30   ( -68.34,  70.35) 11/13/2018   19:13:51  ( -68.33,  70.32)    2.08                21
 11/13/2018   20:04:14   (  68.21,-122.16) 11/13/2018   20:03:18  (  68.21,-122.17)    1.03                56
 11/16/2018   10:39:44   (  68.45,  18.66) 11/16/2018   10:40:47  (  68.44,  18.71)    2.47                63
 11/16/2018   11:30:24   ( -68.27,-173.78) 11/16/2018   11:30:18  ( -68.28,-173.84)    2.89                 6
 11/16/2018   12:21:02   (  67.81,  -5.90) 11/16/2018   12:19:50  (  67.88,  -6.67)   33.24                72
 11/19/2018   02:56:38   (  68.38, 134.52) 11/19/2018   02:57:14  (  68.37, 134.53)    1.22                36
 11/19/2018   03:47:19   ( -68.25, -57.99) 11/19/2018   03:46:44  ( -68.27, -57.96)    2.96                35
 11/21/2018   18:22:57   ( -68.92,  82.26) 11/21/2018   18:24:07  ( -68.80,  83.31)   44.19                70
 11/21/2018   19:13:32   (  68.32,-109.63) 11/21/2018   19:13:40  (  68.34,-109.61)    3.10                 8
 11/21/2018   20:04:13   ( -68.18,  57.86) 11/21/2018   20:03:11  ( -68.19,  57.84)    1.61                62
 11/24/2018   10:39:42   ( -68.43,-161.32) 11/24/2018   10:40:38  ( -68.43,-161.26)    2.45                56
 11/24/2018   11:30:25   (  68.25,   6.22) 11/24/2018   11:30:06  (  68.24,   6.16)    2.46                19
 11/24/2018   12:20:56   ( -67.57, 174.38) 11/24/2018   12:19:46  ( -67.59, 173.04)   56.72                70
 11/27/2018   02:06:12   (  69.42, 145.78) 11/27/2018   02:07:18  (  69.35, 148.18)   94.17                66