Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2015 5 23.  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)
 05/24/2015   08:11:55   (  68.90,  56.27) 05/24/2015   08:12:35  (  68.87,  56.27)    3.48                40
 05/24/2015   09:02:36   ( -68.78,-136.25) 05/24/2015   09:02:05  ( -68.75,-136.25)    3.10                31
 05/26/2015   23:38:18   ( -69.69,   3.61) 05/26/2015   23:39:26  ( -69.59,   5.45)   72.18                68
 05/27/2015   00:28:48   (  68.81, 172.15) 05/27/2015   00:29:05  (  68.83, 172.10)    2.88                17
 05/27/2015   01:19:30   ( -68.74, -20.44) 05/27/2015   01:18:35  ( -68.71, -20.41)    3.12                55
 05/29/2015   15:54:58   ( -68.92, 120.47) 05/29/2015   15:56:07  ( -68.93, 120.46)    1.68                69
 05/29/2015   16:45:42   (  68.78, -72.05) 05/29/2015   16:45:35  (  68.77, -72.10)    2.63                 7
 05/29/2015   17:36:20   ( -68.50,  95.65) 05/29/2015   17:35:07  ( -68.55,  95.26)   16.88                73
 06/01/2015   08:11:52   ( -68.89,-123.73) 06/01/2015   08:12:36  ( -68.91,-123.68)    3.23                44
 06/01/2015   09:02:36   (  68.76,  43.75) 06/01/2015   09:02:04  (  68.74,  43.75)    1.82                32
 06/03/2015   23:38:16   (  69.64,-176.35) 06/03/2015   23:39:24  (  69.53,-174.62)   68.12                68
 06/04/2015   00:28:44   ( -68.81,  -7.87) 06/04/2015   00:29:05  ( -68.82,  -7.92)    1.95                21
 06/04/2015   01:19:28   (  68.69, 159.61) 06/04/2015   01:18:32  (  68.70, 159.58)    1.52                56