Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 6 25.  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)
 06/25/2019   18:22:39   (  68.73, -97.53) 06/25/2019   18:23:50  (  68.63, -96.87)   28.90                71
 06/25/2019   19:13:14   ( -68.28,  70.38) 06/25/2019   19:13:24  ( -68.30,  70.37)    2.51                10
 06/25/2019   20:03:58   (  68.14,-122.14) 06/25/2019   20:02:52  (  68.13,-122.19)    2.78                66
 06/28/2019   10:39:29   (  68.40,  18.67) 06/28/2019   10:40:22  (  68.38,  18.71)    2.94                53
 06/28/2019   11:30:10   ( -68.27,-173.84) 06/28/2019   11:29:52  ( -68.28,-173.78)    2.67                18
 06/28/2019   12:20:40   (  67.38,  -5.43) 06/28/2019   12:19:32  (  67.43,  -7.11)   71.93                68
 07/01/2019   02:56:24   (  68.35, 134.52) 07/01/2019   02:56:50  (  68.35, 134.56)    1.76                26
 07/01/2019   03:47:05   ( -68.21, -57.99) 07/01/2019   03:46:21  ( -68.20, -57.99)    2.00                44
 07/03/2019   18:22:37   ( -68.58,  82.67) 07/03/2019   18:23:48  ( -68.55,  83.04)   15.31                71
 07/03/2019   19:13:18   (  68.29,-109.64) 07/03/2019   19:13:17  (  68.31,-109.60)    2.69                 1
 07/03/2019   20:03:59   ( -68.16,  57.85) 07/03/2019   20:02:48  ( -68.16,  57.85)    0.53                71
 07/06/2019   10:39:29   ( -68.36,-161.27) 07/06/2019   10:40:19  ( -68.34,-161.33)    3.48                50
 07/06/2019   11:30:13   (  68.24,   6.20) 07/06/2019   11:29:45  (  68.27,   6.23)    3.39                28
 07/06/2019   12:20:38   ( -67.24, 174.74) 07/06/2019   12:19:31  ( -67.28, 172.73)   86.40                67
 07/09/2019   02:05:57   (  69.20, 146.05) 07/09/2019   02:07:05  (  69.05, 147.81)   71.62                68
 07/09/2019   02:56:25   ( -68.36, -45.50) 07/09/2019   02:56:46  ( -68.35, -45.43)    3.35                21
 07/09/2019   03:47:08   (  68.19, 122.03) 07/09/2019   03:46:13  (  68.21, 122.05)    3.31                55