Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 1 3.  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)
 01/03/2020   18:22:09   (  69.04, -97.82) 01/03/2020   18:23:18  (  68.99, -96.39)   57.06                69
 01/03/2020   19:12:39   ( -68.31,  70.47) 01/03/2020   19:12:58  ( -68.31,  70.41)    2.79                19
 01/03/2020   20:03:23   (  68.19,-122.06) 01/03/2020   20:02:25  (  68.21,-122.07)    2.16                58
 01/06/2020   10:38:50   (  68.39,  18.83) 01/06/2020   10:39:57  (  68.41,  18.77)    3.14                67
 01/06/2020   11:29:32   ( -68.30,-173.74) 01/06/2020   11:29:27  ( -68.29,-173.74)    0.84                 5
 01/06/2020   12:20:10   (  67.86,  -5.87) 01/06/2020   12:18:58  (  67.96,  -6.48)   27.91                72
 01/09/2020   02:55:43   (  68.39, 134.61) 01/09/2020   02:56:26  (  68.38, 134.62)    0.53                43
 01/09/2020   03:46:24   ( -68.24, -57.88) 01/09/2020   03:45:56  ( -68.27, -57.88)    3.57                28
 01/11/2020   18:22:07   ( -69.29,  81.86) 01/11/2020   18:23:15  ( -69.18,  83.86)   80.01                68
 01/11/2020   19:12:35   (  68.33,-109.54) 01/11/2020   19:12:55  (  68.35,-109.53)    2.53                20
 01/11/2020   20:03:17   ( -68.23,  57.90) 01/11/2020   20:02:25  ( -68.25,  57.97)    3.01                52
 01/14/2020   10:38:44   ( -68.49,-161.28) 01/14/2020   10:39:55  ( -68.49,-161.13)    5.90                71
 01/14/2020   11:29:27   (  68.33,   6.24) 01/14/2020   11:29:23  (  68.32,   6.31)    3.00                 4
 01/14/2020   12:20:07   ( -68.12, 173.82) 01/14/2020   12:18:54  ( -68.16, 173.75)    5.11                73
 01/17/2020   02:55:35   ( -68.38, -45.36) 01/17/2020   02:56:25  ( -68.40, -45.36)    2.25                50
 01/17/2020   03:46:19   (  68.28, 122.08) 01/17/2020   03:45:52  (  68.28, 122.15)    2.70                27