Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 3 8.  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)
 03/10/2020   11:29:37   ( -68.35,-173.86) 03/10/2020   11:30:21  ( -68.32,-173.89)    3.15                44
 03/10/2020   12:20:21   (  68.21,  -6.38) 03/10/2020   12:19:48  (  68.20,  -6.39)    0.91                33
 03/13/2020   02:56:01   (  69.02, 133.69) 03/13/2020   02:57:10  (  68.88, 135.05)   56.56                69
 03/13/2020   03:46:31   ( -68.30, -58.03) 03/13/2020   03:46:49  ( -68.28, -58.06)    2.67                18
 03/13/2020   04:37:15   (  68.17, 109.45) 03/13/2020   04:36:16  (  68.16, 109.44)    1.26                59
 03/15/2020   19:12:45   (  68.39,-109.69) 03/15/2020   19:13:47  (  68.38,-109.68)    1.00                62
 03/15/2020   20:03:26   ( -68.25,  57.80) 03/15/2020   20:03:18  ( -68.23,  57.77)    2.63                 8
 03/15/2020   20:54:02   (  67.69,-134.19) 03/15/2020   20:52:51  (  67.77,-135.12)   40.07                71
 03/18/2020   11:29:40   (  68.34,   6.13) 03/18/2020   11:30:16  (  68.33,   6.14)    2.10                36
 03/18/2020   12:20:21   ( -68.21, 173.62) 03/18/2020   12:19:47  ( -68.18, 173.60)    3.04                34
 03/21/2020   02:56:00   ( -68.91, -46.16) 03/21/2020   02:57:10  ( -68.85, -44.97)   47.94                70
 03/21/2020   03:46:34   (  68.25, 122.02) 03/21/2020   03:46:45  (  68.27, 121.97)    3.24                11
 03/21/2020   04:37:16   ( -68.16, -70.55) 03/21/2020   04:36:15  ( -68.18, -70.51)    3.01                61