Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2017 10 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)
 10/31/2017   02:06:15   ( -69.23, -33.95) 10/31/2017   02:07:24  ( -69.13, -32.18)   70.86                69
 10/31/2017   02:56:45   (  68.35, 134.55) 10/31/2017   02:57:03  (  68.34, 134.49)    2.69                18
 10/31/2017   03:47:26   ( -68.23, -57.97) 10/31/2017   03:46:33  ( -68.25, -58.00)    2.51                53
 11/02/2017   18:22:56   ( -68.49,  82.83) 11/02/2017   18:24:07  ( -68.47,  82.87)    2.75                71
 11/02/2017   19:13:40   (  68.36,-109.70) 11/02/2017   19:13:34  (  68.35,-109.63)    2.82                 6
 11/02/2017   20:04:19   ( -68.12,  57.93) 11/02/2017   20:03:06  ( -68.14,  57.76)    7.66                73
 11/05/2017   10:39:50   ( -68.44,-161.34) 11/05/2017   10:40:40  ( -68.42,-161.32)    2.35                50
 11/05/2017   11:30:34   (  68.32,   6.13) 11/05/2017   11:30:07  (  68.30,   6.18)    2.59                27
 11/05/2017   12:21:00   ( -67.37, 174.61) 11/05/2017   12:19:51  ( -67.43, 172.80)   77.60                69
 11/08/2017   02:06:20   (  69.50, 145.66) 11/08/2017   02:07:26  (  69.41, 148.17)   98.44                66
 11/08/2017   02:56:43   ( -68.40, -45.52) 11/08/2017   02:57:13  ( -68.38, -45.52)    2.55                30
 11/08/2017   03:47:27   (  68.28, 121.95) 11/08/2017   03:46:40  (  68.25, 121.98)    2.87                47
 11/10/2017   18:23:02   (  68.82, -97.63) 11/10/2017   18:24:13  (  68.70, -96.90)   32.89                71
 11/10/2017   19:13:37   ( -68.36,  70.30) 11/10/2017   19:13:48  ( -68.33,  70.29)    3.39                11
 11/10/2017   20:04:20   (  68.19,-122.17) 11/10/2017   20:03:15  (  68.21,-122.21)    2.97                65