Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2015 5 29.  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)
 05/29/2015   15:54:58   ( -68.94, 120.44) 05/29/2015   15:56:08  ( -68.94, 120.47)    1.36                70
 05/29/2015   16:45:42   (  68.80, -72.07) 05/29/2015   16:45:36  (  68.79, -72.08)    1.31                 6
 05/29/2015   17:36:20   ( -68.52,  95.62) 05/29/2015   17:35:08  ( -68.56,  95.27)   14.93                72
 06/01/2015   08:11:51   ( -68.85,-123.69) 06/01/2015   08:12:41  ( -68.86,-123.75)    2.99                50
 06/01/2015   09:02:36   (  68.77,  43.73) 06/01/2015   09:02:08  (  68.76,  43.76)    1.37                28
 06/01/2015   09:53:01   ( -67.79,-147.69) 06/01/2015   09:51:53  ( -67.82,-149.74)   86.16                68
 06/04/2015   00:28:46   ( -68.88,  -7.95) 06/04/2015   00:29:14  ( -68.86,  -7.90)    3.32                28
 06/04/2015   01:19:29   (  68.69, 159.60) 06/04/2015   01:18:42  (  68.70, 159.54)    2.45                47
 06/06/2015   15:55:04   (  69.25, -60.02) 06/06/2015   15:56:15  (  69.12, -59.33)   30.79                71
 06/06/2015   16:45:39   ( -68.80, 107.92) 06/06/2015   16:45:49  ( -68.80, 107.89)    1.19                10
 06/06/2015   17:36:22   (  68.67, -84.60) 06/06/2015   17:35:15  (  68.69, -84.60)    2.52                67
 06/09/2015   08:11:51   (  68.91,  56.21) 06/09/2015   08:12:53  (  68.90,  56.24)    1.48                62
 06/09/2015   09:02:32   ( -68.77,-136.29) 06/09/2015   09:02:24  ( -68.75,-136.32)    2.89                 8
 06/09/2015   09:53:08   (  68.22,  31.75) 06/09/2015   09:51:57  (  68.31,  30.78)   40.86                71
 06/12/2015   00:28:44   (  68.84, 172.07) 06/12/2015   00:29:30  (  68.86, 172.04)    2.49                46
 06/12/2015   01:19:26   ( -68.75, -20.49) 06/12/2015   01:19:00  ( -68.77, -20.45)    2.37                26