Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 7 27.  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)
 07/27/2019   18:22:42   (  68.44, -97.15) 07/27/2019   18:23:48  (  68.43, -97.12)    2.41                66
 07/27/2019   19:13:23   ( -68.32,  70.33) 07/27/2019   19:13:18  ( -68.32,  70.39)    2.31                 5
 07/27/2019   20:04:02   (  67.91,-121.85) 07/27/2019   20:02:50  (  67.93,-122.43)   24.54                72
 07/30/2019   10:39:36   (  68.35,  18.74) 07/30/2019   10:40:18  (  68.36,  18.67)    2.59                42
 07/30/2019   11:30:18   ( -68.27,-173.84) 07/30/2019   11:29:48  ( -68.25,-173.82)    2.74                30
 08/02/2019   02:06:01   ( -69.19, -33.93) 08/02/2019   02:07:09  ( -69.06, -32.21)   69.46                68
 08/02/2019   02:56:31   (  68.31, 134.56) 08/02/2019   02:56:47  (  68.34, 134.53)    2.55                16
 08/02/2019   03:47:13   ( -68.23, -58.02) 08/02/2019   03:46:17  ( -68.23, -57.96)    2.60                56
 08/04/2019   18:22:41   ( -68.40,  82.90) 08/04/2019   18:23:48  ( -68.43,  82.88)    3.20                67
 08/04/2019   19:13:25   (  68.28,-109.63) 08/04/2019   19:13:15  (  68.31,-109.62)    3.49                10
 08/04/2019   20:04:02   ( -67.92,  58.14) 08/04/2019   20:02:49  ( -67.99,  57.63)   22.38                73
 08/07/2019   10:39:37   ( -68.42,-161.34) 08/07/2019   10:40:17  ( -68.40,-161.28)    3.22                40
 08/07/2019   11:30:20   (  68.24,   6.19) 08/07/2019   11:29:45  (  68.22,   6.15)    2.69                35
 08/10/2019   02:05:59   (  68.96, 146.39) 08/10/2019   02:07:09  (  68.85, 147.53)   46.94                70