Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 1 23.  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)
 01/25/2020   02:55:34   (  68.46, 134.54) 01/25/2020   02:56:45  (  68.45, 134.60)    2.72                71
 01/25/2020   03:46:15   ( -68.32, -57.95) 01/25/2020   03:46:15  ( -68.34, -57.90)    3.42                 0
 01/25/2020   04:36:57   (  68.08, 109.65) 01/25/2020   04:35:44  (  68.12, 109.49)    7.67                73
 01/27/2020   19:12:29   (  68.38,-109.59) 01/27/2020   19:13:19  (  68.38,-109.61)    1.07                50
 01/27/2020   20:03:11   ( -68.29,  57.85) 01/27/2020   20:02:49  ( -68.27,  57.89)    2.34                22
 01/27/2020   20:53:39   (  67.30,-133.63) 01/27/2020   20:52:31  (  67.32,-135.55)   82.44                68
 01/30/2020   11:29:25   (  68.35,   6.21) 01/30/2020   11:29:52  (  68.36,   6.23)    1.29                27
 01/30/2020   12:20:06   ( -68.21, 173.71) 01/30/2020   12:19:23  ( -68.21, 173.67)    1.60                43
 02/02/2020   02:55:42   ( -68.77, -45.88) 02/02/2020   02:56:53  ( -68.68, -45.16)   30.49                71
 02/02/2020   03:46:20   (  68.33, 122.00) 02/02/2020   03:46:24  (  68.34, 122.07)    2.93                 4
 02/02/2020   04:37:01   ( -68.18, -70.49) 02/02/2020   04:35:55  ( -68.19, -70.48)    0.89                66
 02/04/2020   19:12:32   ( -68.42,  70.34) 02/04/2020   19:13:30  ( -68.44,  70.40)    2.86                58
 02/04/2020   20:03:15   (  68.26,-122.14) 02/04/2020   20:02:58  (  68.26,-122.17)    1.29                17
 02/04/2020   20:53:47   ( -67.62,  45.97) 02/04/2020   20:52:37  ( -67.66,  44.77)   50.97                70