Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2015 10 27.  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)
 10/28/2015   17:34:25   (  68.68, -84.60) 10/28/2015   17:34:51  (  68.69, -84.54)    2.40                26
 10/28/2015   18:25:06   ( -68.55,  82.90) 10/28/2015   18:24:22  ( -68.53,  82.89)    2.30                44
 10/31/2015   09:00:39   ( -69.06,-136.65) 10/31/2015   09:01:51  ( -68.95,-135.98)   29.04                72
 10/31/2015   09:51:17   (  68.62,  31.25) 10/31/2015   09:51:22  (  68.62,  31.24)    0.47                 5
 10/31/2015   10:41:59   ( -68.53,-161.32) 10/31/2015   10:40:52  ( -68.51,-161.25)    3.44                67
 11/03/2015   01:17:26   ( -68.73, -20.43) 11/03/2015   01:18:25  ( -68.70, -20.42)    3.38                59
 11/03/2015   02:08:09   (  68.56, 147.10) 11/03/2015   02:07:52  (  68.58, 147.08)    2.28                17
 11/03/2015   02:58:41   ( -67.93, -44.78) 11/03/2015   02:57:31  ( -67.98, -46.01)   51.51                70
 11/05/2015   17:34:18   ( -68.67,  95.42) 11/05/2015   17:34:55  ( -68.65,  95.39)    2.69                37
 11/05/2015   18:25:01   (  68.51, -97.06) 11/05/2015   18:24:22  (  68.53, -97.11)    2.89                39
 11/08/2015   09:00:36   (  69.20,  43.15) 11/08/2015   09:01:46  (  69.12,  44.23)   43.85                70
 11/08/2015   09:51:09   ( -68.62,-148.74) 11/08/2015   09:51:23  ( -68.63,-148.75)    1.99                14
 11/08/2015   10:41:53   (  68.51,  18.70) 11/08/2015   10:40:50  (  68.51,  18.75)    1.79                63