Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 11 20.  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)
 11/22/2019   02:05:42   ( -69.12, -33.74) 11/22/2019   02:06:51  ( -69.04, -32.21)   61.54                69
 11/22/2019   02:56:14   (  68.35, 134.60) 11/22/2019   02:56:28  (  68.37, 134.60)    2.26                14
 11/22/2019   03:46:55   ( -68.22, -57.92) 11/22/2019   03:45:59  ( -68.21, -57.95)    1.94                56
 11/24/2019   18:22:23   ( -68.43,  82.95) 11/24/2019   18:23:30  ( -68.47,  82.96)    3.62                67
 11/24/2019   19:13:07   (  68.30,-109.57) 11/24/2019   19:12:58  (  68.29,-109.61)    2.12                 9
 11/24/2019   20:03:44   ( -67.96,  58.19) 11/24/2019   20:02:31  ( -68.03,  57.71)   21.13                73
 11/27/2019   10:39:15   ( -68.39,-161.22) 11/27/2019   10:39:59  ( -68.40,-161.24)    1.28                44
 11/27/2019   11:29:59   (  68.26,   6.26) 11/27/2019   11:29:26  (  68.28,   6.26)    1.37                33
 11/30/2019   02:05:39   (  69.13, 146.25) 11/30/2019   02:06:48  (  69.04, 147.81)   62.91                69
 11/30/2019   02:56:08   ( -68.35, -45.39) 11/30/2019   02:56:29  ( -68.33, -45.44)    2.60                21
 11/30/2019   03:46:52   (  68.23, 122.08) 11/30/2019   03:45:56  (  68.21, 122.06)    1.99                56
 12/02/2019   18:22:20   (  68.45, -97.07) 12/02/2019   18:23:28  (  68.42, -97.08)    3.45                68
 12/02/2019   19:13:01   ( -68.31,  70.43) 12/02/2019   19:12:58  ( -68.33,  70.44)    1.91                 3
 12/02/2019   20:03:41   (  67.98,-121.84) 12/02/2019   20:02:28  (  68.04,-122.26)   19.00                73