Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2017 11 1.  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)
 11/02/2017   18:22:55   ( -68.44,  82.89) 11/02/2017   18:24:05  ( -68.45,  82.87)    0.74                70
 11/02/2017   19:13:39   (  68.31,-109.63) 11/02/2017   19:13:32  (  68.33,-109.63)    1.88                 7
 11/02/2017   20:04:17   ( -68.02,  58.06) 11/02/2017   20:03:05  ( -68.06,  57.69)   15.83                72
 11/05/2017   10:39:49   ( -68.39,-161.28) 11/05/2017   10:40:35  ( -68.41,-161.29)    2.01                46
 11/05/2017   11:30:33   (  68.26,   6.19) 11/05/2017   11:30:02  (  68.29,   6.21)    2.81                31
 11/05/2017   12:20:56   ( -67.16, 174.86) 11/05/2017   12:19:49  ( -67.25, 172.65)   95.76                67
 11/08/2017   02:06:15   (  69.24, 146.03) 11/08/2017   02:07:23  (  69.08, 147.80)   71.90                68
 11/08/2017   02:56:42   ( -68.35, -45.45) 11/08/2017   02:57:04  ( -68.37, -45.45)    2.78                22
 11/08/2017   03:47:26   (  68.22, 122.01) 11/08/2017   03:46:31  (  68.25, 122.04)    2.98                55
 11/10/2017   18:22:55   (  68.45, -97.13) 11/10/2017   18:24:04  (  68.42, -97.15)    3.05                69
 11/10/2017   19:13:36   ( -68.31,  70.37) 11/10/2017   19:13:34  ( -68.33,  70.38)    2.70                 2
 11/10/2017   20:04:16   (  67.97,-121.90) 11/10/2017   20:03:04  (  68.03,-122.33)   19.43                72
 11/13/2017   10:39:49   (  68.41,  18.68) 11/13/2017   10:40:33  (  68.42,  18.74)    2.88                44
 11/13/2017   11:30:30   ( -68.26,-173.81) 11/13/2017   11:30:04  ( -68.28,-173.80)    1.75                26