Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 8 14.  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)
 08/15/2019   10:39:39   (  68.42,  18.66) 08/15/2019   10:40:14  (  68.40,  18.73)    3.57                35
 08/15/2019   11:30:19   ( -68.23,-173.78) 08/15/2019   11:29:45  ( -68.23,-173.84)    2.50                34
 08/18/2019   02:05:59   ( -68.99, -33.65) 08/18/2019   02:07:09  ( -68.86, -32.46)   49.78                70
 08/18/2019   02:56:33   (  68.34, 134.54) 08/18/2019   02:56:44  (  68.31, 134.51)    3.16                11
 08/18/2019   03:47:14   ( -68.20, -57.97) 08/18/2019   03:46:14  ( -68.20, -57.99)    1.04                60
 08/20/2019   18:22:44   ( -68.43,  82.88) 08/20/2019   18:23:45  ( -68.44,  82.90)    1.83                61
 08/20/2019   19:13:27   (  68.26,-109.59) 08/20/2019   19:13:13  (  68.28,-109.65)    3.13                14
 08/20/2019   20:04:01   ( -67.74,  58.38) 08/20/2019   20:02:50  ( -67.78,  57.40)   41.45                71
 08/23/2019   10:39:38   ( -68.41,-161.32) 08/23/2019   10:40:13  ( -68.41,-161.25)    2.70                35
 08/23/2019   11:30:21   (  68.24,   6.21) 08/23/2019   11:29:41  (  68.24,   6.19)    0.99                40
 08/26/2019   02:05:57   (  68.80, 146.61) 08/26/2019   02:07:08  (  68.70, 147.35)   31.85                71
 08/26/2019   02:56:32   ( -68.33, -45.45) 08/26/2019   02:56:43  ( -68.32, -45.48)    1.70                11
 08/26/2019   03:47:16   (  68.22, 122.01) 08/26/2019   03:46:10  (  68.21, 122.02)    1.52                66