Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 2 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)
 02/20/2020   19:12:39   ( -68.48,  70.23) 02/20/2020   19:13:50  ( -68.47,  70.33)    4.21                71
 02/20/2020   20:03:22   (  68.29,-122.22) 02/20/2020   20:03:18  (  68.31,-122.22)    1.42                 4
 02/20/2020   20:54:02   ( -68.11,  45.33) 02/20/2020   20:52:49  ( -68.15,  45.22)    6.50                73
 02/23/2020   11:29:33   ( -68.36,-173.86) 02/23/2020   11:30:24  ( -68.38,-173.91)    3.16                51
 02/23/2020   12:20:18   (  68.29,  -6.45) 02/23/2020   12:19:51  (  68.27,  -6.41)    2.97                27
 02/23/2020   13:10:43   ( -67.29, 162.09) 02/23/2020   13:09:35  ( -67.39, 160.21)   81.28                68
 02/26/2020   02:56:04   (  69.41, 133.18) 02/26/2020   02:57:10  (  69.33, 135.51)   91.99                66
 02/26/2020   03:46:28   ( -68.36, -58.08) 02/26/2020   03:46:56  ( -68.35, -58.09)    1.47                28
 02/26/2020   04:37:12   (  68.23, 109.39) 02/26/2020   04:36:23  (  68.23, 109.41)    0.94                49
 02/28/2020   19:12:45   (  68.60,-109.95) 02/28/2020   19:13:56  (  68.57,-109.59)   15.02                71
 02/28/2020   20:03:23   ( -68.30,  57.76) 02/28/2020   20:03:29  ( -68.31,  57.72)    1.66                 6
 02/28/2020   20:54:07   (  68.18,-134.77) 02/28/2020   20:52:56  (  68.19,-134.78)    1.16                71
 03/02/2020   11:29:37   (  68.39,   6.10) 03/02/2020   11:30:31  (  68.41,   6.08)    3.13                54
 03/02/2020   12:20:19   ( -68.30, 173.53) 03/02/2020   12:20:02  ( -68.27, 173.54)    3.32                17
 03/02/2020   13:10:49   (  67.42, -18.08) 03/02/2020   13:09:41  (  67.47, -19.73)   71.03                68
 03/05/2020   03:46:33   (  68.39, 121.86) 03/05/2020   03:47:04  (  68.37, 121.89)    2.33                31