Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2017 6 7.  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)
 06/09/2017   02:55:59   (  68.39, 134.58) 06/09/2017   02:56:56  (  68.39, 134.61)    1.26                57
 06/09/2017   03:46:39   ( -68.27, -57.95) 06/09/2017   03:46:25  ( -68.28, -57.89)    2.69                14
 06/09/2017   04:37:12   (  67.53, 110.28) 06/09/2017   04:36:02  (  67.61, 108.98)   55.82                70
 06/11/2017   19:12:52   (  68.34,-109.58) 06/11/2017   19:13:25  (  68.34,-109.58)    0.20                33
 06/11/2017   20:03:33   ( -68.22,  57.90) 06/11/2017   20:02:55  ( -68.23,  57.93)    2.23                38
 06/14/2017   10:39:11   ( -68.91,-161.87) 06/14/2017   10:40:21  ( -68.78,-160.80)   45.02                70
 06/14/2017   11:29:46   (  68.29,   6.26) 06/14/2017   11:29:55  (  68.28,   6.23)    1.80                 9
 06/14/2017   12:20:27   ( -68.16, 173.74) 06/14/2017   12:19:25  ( -68.17, 173.74)    1.19                62
 06/17/2017   02:55:56   ( -68.37, -45.38) 06/17/2017   02:56:57  ( -68.38, -45.41)    1.47                61
 06/17/2017   03:46:40   (  68.24, 122.10) 06/17/2017   03:46:24  (  68.26, 122.09)    2.55                16
 06/17/2017   04:37:13   ( -67.68, -69.89) 06/17/2017   04:36:02  ( -67.71, -70.91)   43.55                71
 06/19/2017   19:12:51   ( -68.37,  70.39) 06/19/2017   19:13:26  ( -68.36,  70.44)    2.85                35
 06/19/2017   20:03:33   (  68.19,-122.07) 06/19/2017   20:02:53  (  68.18,-122.12)    2.40                40