Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 1 9.  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)
 01/11/2020   18:22:06   ( -69.28,  81.87) 01/11/2020   18:23:14  ( -69.18,  83.86)   79.35                68
 01/11/2020   19:12:35   (  68.37,-109.58) 01/11/2020   19:12:54  (  68.36,-109.52)    2.59                19
 01/11/2020   20:03:16   ( -68.22,  57.92) 01/11/2020   20:02:24  ( -68.24,  57.97)    3.31                52
 01/14/2020   10:38:44   ( -68.48,-161.26) 01/14/2020   10:39:55  ( -68.49,-161.13)    5.27                71
 01/14/2020   11:29:27   (  68.31,   6.27) 01/14/2020   11:29:23  (  68.32,   6.32)    2.70                 4
 01/14/2020   12:20:07   ( -68.11, 173.84) 01/14/2020   12:18:55  ( -68.10, 173.68)    6.54                72
 01/17/2020   02:55:36   ( -68.42, -45.40) 01/17/2020   02:56:25  ( -68.39, -45.36)    2.96                49
 01/17/2020   03:46:19   (  68.25, 122.12) 01/17/2020   03:45:53  (  68.23, 122.08)    3.08                26
 01/17/2020   04:36:45   ( -67.29, -69.39) 01/17/2020   04:35:37  ( -67.34, -71.30)   82.22                68
 01/19/2020   18:22:03   (  69.37, -98.24) 01/19/2020   18:23:10  (  69.24, -96.05)   87.18                67
 01/19/2020   19:12:28   ( -68.36,  70.45) 01/19/2020   19:12:54  ( -68.35,  70.47)    1.13                26
 01/19/2020   20:03:11   (  68.20,-122.04) 01/19/2020   20:02:22  (  68.18,-122.09)    2.69                49
 01/22/2020   10:38:39   (  68.51,  18.71) 01/22/2020   10:39:51  (  68.47,  18.86)    7.99                72
 01/22/2020   11:29:19   ( -68.30,-173.70) 01/22/2020   11:29:22  ( -68.31,-173.70)    0.61                 3
 01/22/2020   12:20:02   (  68.14,  -6.19) 01/22/2020   12:18:50  (  68.13,  -6.26)    3.21                72