Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 5 7.  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)
 05/08/2019   19:12:54   ( -68.34,  70.36) 05/08/2019   19:13:38  ( -68.32,  70.36)    2.09                44
 05/08/2019   20:03:38   (  68.22,-122.18) 05/08/2019   20:03:05  (  68.22,-122.12)    2.32                33
 05/11/2019   10:39:20   (  69.04,  17.88) 05/11/2019   10:40:29  (  68.88,  19.29)   58.99                69
 05/11/2019   11:29:50   ( -68.30,-173.82) 05/11/2019   11:30:08  ( -68.27,-173.83)    3.39                18
 05/11/2019   12:20:34   (  68.18,  -6.36) 05/11/2019   12:19:35  (  68.16,  -6.31)    3.16                59
 05/14/2019   02:56:04   (  68.36, 134.56) 05/14/2019   02:57:07  (  68.37, 134.54)    1.76                63
 05/14/2019   03:46:46   ( -68.26, -58.00) 05/14/2019   03:46:37  ( -68.27, -57.95)    2.05                 9
 05/14/2019   04:37:22   (  67.71, 109.99) 05/14/2019   04:36:11  (  67.76, 109.10)   37.89                71
 05/16/2019   19:12:59   (  68.32,-109.63) 05/16/2019   19:13:36  (  68.30,-109.66)    2.43                37
 05/16/2019   20:03:41   ( -68.22,  57.81) 05/16/2019   20:03:06  ( -68.20,  57.85)    2.68                35
 05/19/2019   10:39:21   ( -68.93,-161.98) 05/19/2019   10:40:31  ( -68.79,-160.83)   48.80                70
 05/19/2019   11:29:55   (  68.29,   6.18) 05/19/2019   11:30:05  (  68.28,   6.20)    0.86                10
 05/19/2019   12:20:36   ( -68.13, 173.69) 05/19/2019   12:19:36  ( -68.13, 173.64)    2.08                60