Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2017 9 24.  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)
 09/26/2017   10:39:50   (  68.42,  18.68) 09/26/2017   10:40:46  (  68.41,  18.62)    2.34                56
 09/26/2017   11:30:31   ( -68.29,-173.83) 09/26/2017   11:30:16  ( -68.31,-173.87)    2.88                15
 09/26/2017   12:21:03   (  67.50,  -5.55) 09/26/2017   12:19:54  (  67.58,  -7.07)   65.21                69
 09/29/2017   02:56:46   (  68.38, 134.50) 09/29/2017   02:57:15  (  68.36, 134.44)    2.71                29
 09/29/2017   03:47:27   ( -68.25, -58.01) 09/29/2017   03:46:45  ( -68.26, -58.04)    2.19                42
 10/01/2017   18:23:01   ( -68.69,  82.55) 10/01/2017   18:24:13  ( -68.60,  82.96)   19.52                72
 10/01/2017   19:13:41   (  68.34,-109.69) 10/01/2017   19:13:42  (  68.36,-109.67)    2.39                 1
 10/01/2017   20:04:22   ( -68.21,  57.80) 10/01/2017   20:03:13  ( -68.21,  57.77)    1.19                69
 10/04/2017   10:39:53   ( -68.44,-161.35) 10/04/2017   10:40:44  ( -68.42,-161.37)    1.79                51
 10/04/2017   11:30:37   (  68.31,   6.12) 10/04/2017   11:30:11  (  68.30,   6.13)    1.07                26
 10/04/2017   12:21:03   ( -67.37, 174.61) 10/04/2017   12:19:55  ( -67.42, 172.75)   79.71                68
 10/07/2017   02:06:22   (  69.29, 145.94) 10/07/2017   02:07:30  (  69.18, 147.82)   75.60                68
 10/07/2017   02:56:49   ( -68.41, -45.54) 10/07/2017   02:57:12  ( -68.41, -45.50)    1.69                23
 10/07/2017   03:47:33   (  68.28, 121.93) 10/07/2017   03:46:39  (  68.29, 122.00)    2.75                54