Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2015 6 1.  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)
 06/01/2015   08:11:51   ( -68.88,-123.72) 06/01/2015   08:12:40  ( -68.90,-123.71)    2.38                49
 06/01/2015   09:02:35   (  68.74,  43.77) 06/01/2015   09:02:08  (  68.75,  43.75)    1.61                27
 06/01/2015   09:53:00   ( -67.76,-147.66) 06/01/2015   09:51:53  ( -67.80,-149.76)   88.61                67
 06/03/2015   23:38:21   (  69.89,-176.71) 06/03/2015   23:39:27  (  69.83,-174.24)   94.60                66
 06/04/2015   00:28:45   ( -68.86,  -7.92) 06/04/2015   00:29:13  ( -68.83,  -7.93)    2.90                28
 06/04/2015   01:19:29   (  68.72, 159.57) 06/04/2015   01:18:40  (  68.73, 159.59)    1.53                49
 06/06/2015   15:55:01   (  69.13, -59.85) 06/06/2015   15:56:13  (  69.05, -59.42)   19.21                72
 06/06/2015   16:45:39   ( -68.84, 107.87) 06/06/2015   16:45:45  ( -68.82, 107.93)    3.00                 6
 06/06/2015   17:36:22   (  68.65, -84.58) 06/06/2015   17:35:13  (  68.66, -84.62)    2.34                69
 06/09/2015   08:11:51   (  68.90,  56.22) 06/09/2015   08:12:48  (  68.88,  56.24)    2.71                57
 06/09/2015   09:02:32   ( -68.77,-136.28) 06/09/2015   09:02:18  ( -68.77,-136.26)    0.68                14
 06/09/2015   09:53:05   (  68.05,  31.96) 06/09/2015   09:51:55  (  68.11,  30.57)   58.14                70
 06/12/2015   00:28:43   (  68.85, 172.07) 06/12/2015   00:29:20  (  68.83, 172.05)    1.56                37
 06/12/2015   01:19:24   ( -68.71, -20.43) 06/12/2015   01:18:50  ( -68.73, -20.45)    2.85                34
 06/14/2015   15:55:06   ( -69.65, 119.39) 06/14/2015   15:56:14  ( -69.58, 121.24)   71.97                68
 06/14/2015   16:45:36   (  68.79, -72.10) 06/14/2015   16:45:53  (  68.80, -72.13)    1.57                17
 06/14/2015   17:36:18   ( -68.70,  95.34) 06/14/2015   17:35:23  ( -68.70,  95.38)    1.56                55