Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 10 10.  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)
 10/10/2019   09:49:13   (  69.55,  29.91) 10/10/2019   09:50:19  (  69.41,  32.33)   95.53                66
 10/10/2019   10:39:36   ( -68.45,-161.26) 10/10/2019   10:40:04  ( -68.47,-161.24)    2.24                28
 10/10/2019   11:30:20   (  68.32,   6.21) 10/10/2019   11:29:32  (  68.30,   6.21)    2.40                48
 10/13/2019   02:05:50   (  68.66, 146.90) 10/13/2019   02:07:01  (  68.61, 147.18)   12.79                71
 10/13/2019   02:56:29   ( -68.42, -45.45) 10/13/2019   02:56:33  ( -68.39, -45.45)    2.81                 4
 10/13/2019   03:47:13   (  68.29, 122.01) 10/13/2019   03:46:00  (  68.28, 122.06)    2.57                73
 10/15/2019   18:22:41   (  68.47, -97.08) 10/15/2019   18:23:32  (  68.47, -97.11)    1.46                51
 10/15/2019   19:13:23   ( -68.39,  70.35) 10/15/2019   19:13:02  ( -68.37,  70.40)    3.05                21
 10/15/2019   20:03:51   (  67.40,-121.12) 10/15/2019   20:02:43  (  67.46,-123.00)   80.69                68
 10/18/2019   10:39:35   (  68.45,  18.72) 10/18/2019   10:40:01  (  68.43,  18.72)    1.87                26
 10/18/2019   11:30:16   ( -68.31,-173.78) 10/18/2019   11:29:31  ( -68.33,-173.76)    2.98                45
 10/21/2019   02:05:49   ( -68.76, -33.22) 10/21/2019   02:07:00  ( -68.68, -32.74)   21.21                71
 10/21/2019   02:56:28   (  68.37, 134.59) 10/21/2019   02:56:30  (  68.39, 134.55)    2.62                 2
 10/21/2019   03:47:10   ( -68.28, -57.97) 10/21/2019   03:46:00  ( -68.29, -57.94)    2.08                70
 10/23/2019   18:22:37   ( -68.46,  82.93) 10/23/2019   18:23:31  ( -68.46,  82.87)    2.37                54
 10/23/2019   19:13:21   (  68.35,-109.61) 10/23/2019   19:12:58  (  68.34,-109.63)    1.60                23
 10/23/2019   20:03:49   ( -67.50,  58.76) 10/23/2019   20:02:40  ( -67.57,  57.11)   70.33                69