Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 9 21.  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)
 09/21/2019   18:22:44   ( -68.46,  82.87) 09/21/2019   18:23:36  ( -68.43,  82.87)    3.09                52
 09/21/2019   19:13:28   (  68.34,-109.67) 09/21/2019   19:13:03  (  68.32,-109.61)    2.93                25
 09/21/2019   20:03:55   ( -67.44,  58.77) 09/21/2019   20:02:46  ( -67.49,  57.05)   73.15                69
 09/24/2019   09:49:14   (  69.46,  29.96) 09/24/2019   09:50:20  (  69.38,  32.32)   92.85                66
 09/24/2019   10:39:38   ( -68.41,-161.28) 09/24/2019   10:40:06  ( -68.39,-161.31)    2.31                28
 09/24/2019   11:30:22   (  68.29,   6.18) 09/24/2019   11:29:33  (  68.27,   6.20)    2.05                49
 09/27/2019   02:05:53   (  68.61, 146.91) 09/27/2019   02:07:04  (  68.55, 147.14)   11.55                71
 09/27/2019   02:56:32   ( -68.36, -45.44) 09/27/2019   02:56:36  ( -68.34, -45.49)    2.92                 4
 09/27/2019   03:47:16   (  68.24, 122.01) 09/27/2019   03:46:03  (  68.22, 122.02)    2.36                73
 09/29/2019   18:22:45   (  68.46, -97.12) 09/29/2019   18:23:35  (  68.44, -97.13)    2.62                50
 09/29/2019   19:13:26   ( -68.31,  70.39) 09/29/2019   19:13:05  ( -68.34,  70.38)    3.11                21
 09/29/2019   20:03:54   (  67.33,-121.09) 09/29/2019   20:02:47  (  67.37,-123.08)   85.31                67
 10/02/2019   10:39:38   (  68.42,  18.71) 10/02/2019   10:40:03  (  68.43,  18.74)    1.48                25
 10/02/2019   11:30:19   ( -68.26,-173.77) 10/02/2019   11:29:34  ( -68.27,-173.81)    2.06                45
 10/05/2019   02:05:52   ( -68.70, -33.19) 10/05/2019   02:07:03  ( -68.65, -32.76)   18.24                71
 10/05/2019   02:56:32   (  68.38, 134.54) 10/05/2019   02:56:33  (  68.36, 134.53)    2.32                 1