Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 9 18.  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)
 09/19/2019   02:05:53   ( -68.64, -33.14) 09/19/2019   02:07:05  ( -68.57, -32.83)   14.31                72
 09/19/2019   02:56:34   (  68.36, 134.54) 09/19/2019   02:56:34  (  68.35, 134.55)    0.76                 0
 09/19/2019   03:47:15   ( -68.21, -57.96) 09/19/2019   03:46:04  ( -68.24, -57.95)    3.13                71
 09/21/2019   18:22:44   ( -68.42,  82.93) 09/21/2019   18:23:37  ( -68.42,  82.86)    2.79                53
 09/21/2019   19:13:28   (  68.30,-109.62) 09/21/2019   19:13:04  (  68.31,-109.63)    0.87                24
 09/21/2019   20:03:56   ( -67.46,  58.75) 09/21/2019   20:02:47  ( -67.48,  57.04)   73.05                69
 09/24/2019   09:49:14   (  69.47,  29.94) 09/24/2019   09:50:20  (  69.37,  32.30)   93.15                66
 09/24/2019   10:39:38   ( -68.42,-161.30) 09/24/2019   10:40:05  ( -68.43,-161.25)    2.27                27
 09/24/2019   11:30:21   (  68.25,   6.23) 09/24/2019   11:29:33  (  68.26,   6.18)    2.05                48
 09/27/2019   02:05:52   (  68.57, 146.96) 09/27/2019   02:07:04  (  68.54, 147.12)    7.29                72
 09/27/2019   02:56:32   ( -68.36, -45.45) 09/27/2019   02:56:35  ( -68.38, -45.44)    1.86                 3
 09/27/2019   03:47:15   (  68.20, 122.07) 09/27/2019   03:46:03  (  68.20, 122.00)    3.08                72
 09/29/2019   18:22:45   (  68.47, -97.13) 09/29/2019   18:23:34  (  68.48, -97.08)    2.36                49
 09/29/2019   19:13:26   ( -68.31,  70.39) 09/29/2019   19:13:05  ( -68.32,  70.37)    1.56                21
 09/29/2019   20:03:54   (  67.34,-121.10) 09/29/2019   20:02:46  (  67.42,-123.03)   83.21                68