Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 9 8.  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)
 09/08/2019   09:49:16   (  69.50,  29.88) 09/08/2019   09:50:22  (  69.36,  32.31)   96.26                66
 09/08/2019   10:39:39   ( -68.39,-161.29) 09/08/2019   10:40:07  ( -68.42,-161.25)    2.72                28
 09/08/2019   11:30:23   (  68.27,   6.18) 09/08/2019   11:29:35  (  68.25,   6.20)    2.37                48
 09/11/2019   02:05:53   (  68.58, 146.92) 09/11/2019   02:07:03  (  68.57, 147.19)   10.79                70
 09/11/2019   02:56:32   ( -68.33, -45.43) 09/11/2019   02:56:35  ( -68.35, -45.45)    2.46                 3
 09/11/2019   03:47:16   (  68.21, 122.03) 09/11/2019   03:46:03  (  68.18, 122.00)    3.37                73
 09/13/2019   18:22:45   (  68.41, -97.08) 09/13/2019   18:23:33  (  68.44, -97.09)    2.89                48
 09/13/2019   19:13:27   ( -68.32,  70.36) 09/13/2019   19:13:03  ( -68.33,  70.41)    2.60                24
 09/13/2019   20:03:53   (  67.23,-121.00) 09/13/2019   20:02:46  (  67.32,-123.11)   91.25                67
 09/16/2019   09:49:13   ( -69.42,-150.00) 09/16/2019   09:50:20  ( -69.30,-147.77)   88.58                67
 09/16/2019   10:39:40   (  68.41,  18.70) 09/16/2019   10:40:01  (  68.41,  18.76)    2.47                21
 09/16/2019   11:30:21   ( -68.26,-173.79) 09/16/2019   11:29:32  ( -68.25,-173.80)    0.77                49
 09/19/2019   02:05:51   ( -68.51, -32.97) 09/19/2019   02:07:02  ( -68.50, -32.90)    3.35                71
 09/19/2019   02:56:34   (  68.35, 134.55) 09/19/2019   02:56:30  (  68.32, 134.53)    3.28                 4
 09/19/2019   03:47:14   ( -68.14, -57.87) 09/19/2019   03:46:01  ( -68.17, -58.02)    6.77                73
 09/21/2019   18:22:44   ( -68.46,  82.88) 09/21/2019   18:23:29  ( -68.46,  82.94)    2.51                45
 09/21/2019   19:13:27   (  68.30,-109.61) 09/21/2019   19:12:57  (  68.28,-109.63)    1.82                30
 09/21/2019   20:03:51   ( -67.22,  59.03) 09/21/2019   20:02:44  ( -67.23,  56.80)   95.81                67