Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 7 10.  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)
 07/11/2020   02:55:49   ( -68.35, -45.37) 07/11/2020   02:56:46  ( -68.35, -45.40)    1.00                57
 07/11/2020   03:46:33   (  68.22, 122.11) 07/11/2020   03:46:13  (  68.24, 122.11)    2.82                20
 07/11/2020   04:37:03   ( -67.50, -69.68) 07/11/2020   04:35:53  ( -67.58, -71.02)   57.83                70
 07/13/2020   19:12:45   ( -68.31,  70.45) 07/13/2020   19:13:17  ( -68.30,  70.42)    1.65                32
 07/13/2020   20:03:29   (  68.17,-122.07) 07/13/2020   20:02:44  (  68.19,-122.08)    1.52                45
 07/16/2020   10:39:04   (  68.61,  18.50) 07/16/2020   10:40:15  (  68.55,  18.95)   19.71                71
 07/16/2020   11:29:41   ( -68.26,-173.72) 07/16/2020   11:29:48  ( -68.28,-173.73)    2.18                 7
 07/16/2020   12:20:25   (  68.13,  -6.25) 07/16/2020   12:19:16  (  68.11,  -6.30)    3.28                69
 07/19/2020   02:55:56   (  68.36, 134.60) 07/19/2020   02:56:50  (  68.34, 134.57)    2.85                54
 07/19/2020   03:46:37   ( -68.22, -57.90) 07/19/2020   03:46:20  ( -68.24, -57.91)    2.26                17
 07/19/2020   04:37:08   (  67.39, 110.43) 07/19/2020   04:35:59  (  67.45, 108.82)   69.11                69
 07/21/2020   19:12:51   (  68.32,-109.58) 07/21/2020   19:13:21  (  68.33,-109.57)    0.61                30
 07/21/2020   20:03:32   ( -68.18,  57.91) 07/21/2020   20:02:52  ( -68.18,  57.88)    1.24                40