Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 3 26.  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)
 03/27/2019   02:55:54   (  68.38, 134.57) 03/27/2019   02:57:05  (  68.35, 134.54)    3.37                71
 03/27/2019   03:46:35   ( -68.25, -57.95) 03/27/2019   03:46:35  ( -68.24, -57.96)    1.43                 0
 03/27/2019   04:37:17   (  68.01, 109.66) 03/27/2019   04:36:04  (  68.02, 109.43)    9.85                73
 03/29/2019   19:12:45   (  68.31,-109.56) 03/29/2019   19:13:34  (  68.33,-109.61)    2.84                49
 03/29/2019   20:03:27   ( -68.23,  57.85) 03/29/2019   20:03:04  ( -68.23,  57.90)    2.20                23
 03/29/2019   20:53:54   (  67.18,-133.56) 03/29/2019   20:52:47  (  67.21,-135.61)   88.44                67
 04/01/2019   11:29:38   (  68.30,   6.23) 04/01/2019   11:30:04  (  68.32,   6.26)    2.81                26
 04/01/2019   12:20:19   ( -68.16, 173.72) 04/01/2019   12:19:35  ( -68.16, 173.70)    0.83                44
 04/04/2019   02:55:53   ( -68.73, -45.86) 04/04/2019   02:57:04  ( -68.60, -45.17)   31.29                71
 04/04/2019   03:46:31   (  68.29, 122.03) 04/04/2019   03:46:35  (  68.26, 122.07)    2.98                 4
 04/04/2019   04:37:12   ( -68.15, -70.48) 04/04/2019   04:36:05  ( -68.17, -70.42)    3.29                67
 04/06/2019   19:12:39   ( -68.34,  70.43) 04/06/2019   19:13:39  ( -68.34,  70.39)    1.72                60
 04/06/2019   20:03:23   (  68.22,-122.11) 04/06/2019   20:03:06  (  68.22,-122.11)    0.70                17
 04/06/2019   20:53:55   ( -67.60,  45.98) 04/06/2019   20:52:44  ( -67.68,  44.89)   47.19                71