Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2017 10 26.  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)
 10/28/2017   10:39:52   (  68.42,  18.69) 10/28/2017   10:40:31  (  68.44,  18.72)    2.29                39
 10/28/2017   11:30:33   ( -68.29,-173.83) 10/28/2017   11:30:02  ( -68.29,-173.84)    1.13                31
 10/31/2017   02:06:13   ( -69.14, -33.82) 10/31/2017   02:07:22  ( -69.07, -32.25)   62.59                69
 10/31/2017   02:56:45   (  68.37, 134.52) 10/31/2017   02:56:59  (  68.40, 134.55)    3.07                14
 10/31/2017   03:47:26   ( -68.24, -57.99) 10/31/2017   03:46:30  ( -68.24, -58.00)    0.66                56
 11/02/2017   18:22:55   ( -68.45,  82.88) 11/02/2017   18:24:01  ( -68.47,  82.88)    2.49                66
 11/02/2017   19:13:39   (  68.32,-109.65) 11/02/2017   19:13:28  (  68.35,-109.63)    3.03                11
 11/02/2017   20:04:15   ( -67.92,  58.18) 11/02/2017   20:03:03  ( -67.98,  57.56)   26.44                72
 11/05/2017   10:39:49   ( -68.40,-161.29) 11/05/2017   10:40:30  ( -68.42,-161.30)    2.24                41
 11/05/2017   11:30:33   (  68.28,   6.18) 11/05/2017   11:29:57  (  68.30,   6.19)    2.15                36
 11/08/2017   02:06:11   (  68.98, 146.38) 11/08/2017   02:07:21  (  68.91, 147.55)   47.38                70
 11/08/2017   02:56:43   ( -68.36, -45.47) 11/08/2017   02:56:59  ( -68.37, -45.49)    1.29                16
 11/08/2017   03:47:27   (  68.24, 122.00) 11/08/2017   03:46:26  (  68.24, 122.01)    0.63                61