Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 10 13.  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)
 10/15/2020   02:05:52   (  69.52, 145.74) 10/15/2020   02:06:57  (  69.42, 148.29)   99.85                65
 10/15/2020   02:56:14   ( -68.36, -45.36) 10/15/2020   02:56:44  ( -68.38, -45.40)    2.29                30
 10/15/2020   03:46:58   (  68.24, 122.10) 10/15/2020   03:46:11  (  68.26, 122.10)    2.06                47
 10/17/2020   18:22:30   (  68.66, -97.30) 10/17/2020   18:23:40  (  68.62, -96.86)   18.56                70
 10/17/2020   19:13:08   ( -68.36,  70.41) 10/17/2020   19:13:13  ( -68.36,  70.45)    1.82                 5
 10/17/2020   20:03:51   (  68.18,-122.06) 10/17/2020   20:02:41  (  68.18,-122.11)    2.41                70
 10/20/2020   10:39:20   (  68.45,  18.75) 10/20/2020   10:40:12  (  68.43,  18.79)    2.56                52
 10/20/2020   11:30:01   ( -68.30,-173.75) 10/20/2020   11:29:43  ( -68.28,-173.76)    2.84                18
 10/20/2020   12:20:31   (  67.43,  -5.36) 10/20/2020   12:19:22  (  67.48,  -7.04)   71.86                69
 10/23/2020   02:56:13   (  68.40, 134.58) 10/23/2020   02:56:41  (  68.40, 134.63)    1.95                28
 10/23/2020   03:46:54   ( -68.25, -57.91) 10/23/2020   03:46:12  ( -68.25, -57.91)    0.08                42
 10/25/2020   18:22:27   ( -68.78,  82.53) 10/25/2020   18:23:39  ( -68.66,  83.19)   29.60                72
 10/25/2020   19:13:05   (  68.35,-109.58) 10/25/2020   19:13:09  (  68.37,-109.53)    3.13                 4
 10/25/2020   20:03:46   ( -68.20,  57.92) 10/25/2020   20:02:40  ( -68.22,  57.93)    2.32                66