Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2017 11 19.  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)
 11/21/2017   10:39:45   ( -68.39,-161.30) 11/21/2017   10:40:33  ( -68.41,-161.26)    2.59                48
 11/21/2017   11:30:29   (  68.27,   6.17) 11/21/2017   11:30:01  (  68.24,   6.18)    3.42                28
 11/21/2017   12:20:54   ( -67.27, 174.71) 11/21/2017   12:19:46  ( -67.30, 172.73)   85.18                68
 11/24/2017   02:06:12   (  69.26, 145.99) 11/24/2017   02:07:20  (  69.17, 147.94)   77.70                68
 11/24/2017   02:56:39   ( -68.37, -45.49) 11/24/2017   02:57:03  ( -68.34, -45.46)    2.77                24
 11/24/2017   03:47:22   (  68.19, 122.04) 11/24/2017   03:46:30  (  68.22, 122.04)    3.46                52
 11/26/2017   18:22:51   (  68.43, -97.13) 11/26/2017   18:24:02  (  68.43, -97.11)    1.06                71
 11/26/2017   19:13:32   ( -68.29,  70.38) 11/26/2017   19:13:33  ( -68.27,  70.34)    2.36                 1
 11/26/2017   20:04:14   (  68.06,-122.03) 11/26/2017   20:03:01  (  68.10,-122.23)    9.02                73
 11/29/2017   10:39:44   (  68.36,  18.74) 11/29/2017   10:40:32  (  68.35,  18.69)    2.18                48
 11/29/2017   11:30:26   ( -68.26,-173.82) 11/29/2017   11:30:02  ( -68.26,-173.80)    1.03                24
 11/29/2017   12:20:52   (  67.18,  -5.19) 11/29/2017   12:19:45  (  67.24,  -7.32)   92.14                67
 12/02/2017   02:06:11   ( -69.41, -34.22) 12/02/2017   02:07:18  ( -69.29, -31.90)   92.28                67
 12/02/2017   02:56:37   (  68.34, 134.53) 12/02/2017   02:57:00  (  68.34, 134.55)    1.08                23
 12/02/2017   03:47:18   ( -68.19, -57.95) 12/02/2017   03:46:31  ( -68.19, -58.00)    1.89                47