Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 8 31.  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)
 08/31/2019   10:39:40   (  68.39,  18.71) 08/31/2019   10:40:10  (  68.36,  18.69)    2.90                30
 08/31/2019   11:30:21   ( -68.24,-173.79) 08/31/2019   11:29:40  ( -68.24,-173.82)    1.45                41
 09/03/2019   02:05:55   ( -68.76, -33.31) 09/03/2019   02:07:07  ( -68.63, -32.74)   26.65                72
 09/03/2019   02:56:34   (  68.37, 134.50) 09/03/2019   02:56:37  (  68.36, 134.57)    2.87                 3
 09/03/2019   03:47:15   ( -68.23, -57.99) 09/03/2019   03:46:07  ( -68.25, -57.93)    3.45                68
 09/05/2019   18:22:44   ( -68.42,  82.91) 09/05/2019   18:23:39  ( -68.41,  82.87)    1.57                55
 09/05/2019   19:13:28   (  68.30,-109.64) 09/05/2019   19:13:06  (  68.31,-109.61)    1.01                22
 09/05/2019   20:03:57   ( -67.51,  58.67) 09/05/2019   20:02:48  ( -67.53,  57.11)   66.25                69
 09/08/2019   09:49:16   (  69.52,  29.85) 09/08/2019   09:50:21  (  69.41,  32.38)   99.40                65
 09/08/2019   10:39:39   ( -68.40,-161.30) 09/08/2019   10:40:07  ( -68.41,-161.25)    2.47                28
 09/08/2019   11:30:22   (  68.24,   6.22) 09/08/2019   11:29:35  (  68.25,   6.20)    1.50                47
 09/11/2019   02:05:54   (  68.60, 146.90) 09/11/2019   02:07:04  (  68.57, 147.19)   12.30                70
 09/11/2019   02:56:33   ( -68.34, -45.44) 09/11/2019   02:56:36  ( -68.35, -45.44)    2.10                 3
 09/11/2019   03:47:16   (  68.17, 122.08) 09/11/2019   03:46:04  (  68.18, 122.00)    3.22                72
 09/13/2019   18:22:45   (  68.43, -97.11) 09/13/2019   18:23:33  (  68.45, -97.08)    2.53                48
 09/13/2019   19:13:26   ( -68.27,  70.42) 09/13/2019   19:13:04  ( -68.29,  70.37)    3.02                22
 09/13/2019   20:03:53   (  67.25,-121.02) 09/13/2019   20:02:46  (  67.33,-123.09)   89.53                67