Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 9 2.  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)
 09/03/2019   02:05:56   ( -68.78, -33.35) 09/03/2019   02:07:07  ( -68.66, -32.71)   29.29                71
 09/03/2019   02:56:34   (  68.34, 134.54) 09/03/2019   02:56:38  (  68.33, 134.54)    1.09                 4
 09/03/2019   03:47:15   ( -68.20, -57.96) 09/03/2019   03:46:08  ( -68.21, -57.97)    1.67                67
 09/05/2019   18:22:45   ( -68.45,  82.87) 09/05/2019   18:23:39  ( -68.43,  82.89)    1.59                54
 09/05/2019   19:13:28   (  68.28,-109.60) 09/05/2019   19:13:07  (  68.27,-109.65)    2.21                21
 09/05/2019   20:03:57   ( -67.48,  58.70) 09/05/2019   20:02:48  ( -67.54,  57.14)   66.91                69
 09/08/2019   09:49:15   (  69.49,  29.89) 09/08/2019   09:50:21  (  69.38,  32.34)   96.27                66
 09/08/2019   10:39:38   ( -68.38,-161.27) 09/08/2019   10:40:07  ( -68.37,-161.30)    1.22                29
 09/08/2019   11:30:22   (  68.26,   6.19) 09/08/2019   11:29:34  (  68.27,   6.22)    1.30                48
 09/11/2019   02:05:53   (  68.57, 146.94) 09/11/2019   02:07:04  (  68.53, 147.14)    9.54                71
 09/11/2019   02:56:33   ( -68.36, -45.48) 09/11/2019   02:56:35  ( -68.37, -45.42)    2.15                 2
 09/11/2019   03:47:16   (  68.20, 122.04) 09/11/2019   03:46:03  (  68.20, 122.02)    0.99                73
 09/13/2019   18:22:45   (  68.40, -97.07) 09/13/2019   18:23:34  (  68.40, -97.13)    2.56                49
 09/13/2019   19:13:27   ( -68.30,  70.38) 09/13/2019   19:13:04  ( -68.30,  70.38)    0.27                23
 09/13/2019   20:03:54   (  67.27,-121.05) 09/13/2019   20:02:47  (  67.28,-123.14)   90.01                67