Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 9 25.  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)
 09/27/2019   02:05:52   (  68.59, 146.94) 09/27/2019   02:07:03  (  68.58, 147.17)    9.47                71
 09/27/2019   02:56:31   ( -68.34, -45.42) 09/27/2019   02:56:35  ( -68.35, -45.47)    2.83                 4
 09/27/2019   03:47:15   (  68.22, 122.04) 09/27/2019   03:46:02  (  68.24, 122.05)    3.05                73
 09/29/2019   18:22:44   (  68.43, -97.08) 09/29/2019   18:23:34  (  68.46, -97.10)    3.41                50
 09/29/2019   19:13:26   ( -68.34,  70.35) 09/29/2019   19:13:04  ( -68.35,  70.41)    2.77                22
 09/29/2019   20:03:54   (  67.36,-121.12) 09/29/2019   20:02:46  (  67.40,-123.05)   82.53                68
 10/02/2019   10:39:38   (  68.38,  18.75) 10/02/2019   10:40:04  (  68.40,  18.70)    2.56                26
 10/02/2019   11:30:20   ( -68.29,-173.81) 10/02/2019   11:29:34  ( -68.30,-173.79)    1.00                46
 10/05/2019   02:05:52   ( -68.66, -33.15) 10/05/2019   02:07:04  ( -68.62, -32.80)   15.16                72
 10/05/2019   02:56:33   (  68.39, 134.52) 10/05/2019   02:56:33  (  68.39, 134.57)    2.11                 0
 10/05/2019   03:47:14   ( -68.24, -57.97) 10/05/2019   03:46:04  ( -68.23, -57.99)    1.57                70
 10/07/2019   18:22:42   ( -68.46,  82.90) 10/07/2019   18:23:35  ( -68.43,  82.86)    3.37                53
 10/07/2019   19:13:25   (  68.30,-109.58) 10/07/2019   19:13:02  (  68.31,-109.65)    3.23                23
 10/07/2019   20:03:53   ( -67.44,  58.79) 10/07/2019   20:02:45  ( -67.49,  57.04)   75.13                68