Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 1 14.  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)
 01/14/2020   10:38:48   ( -68.69,-161.55) 01/14/2020   10:40:00  ( -68.60,-161.02)   23.62                72
 01/14/2020   11:29:27   (  68.31,   6.27) 01/14/2020   11:29:31  (  68.28,   6.23)    3.37                 4
 01/14/2020   12:20:08   ( -68.17, 173.77) 01/14/2020   12:19:01  ( -68.17, 173.74)    1.30                67
 01/17/2020   02:55:36   ( -68.42, -45.41) 01/17/2020   02:56:41  ( -68.43, -45.39)    0.84                65
 01/17/2020   03:46:19   (  68.25, 122.11) 01/17/2020   03:46:09  (  68.27, 122.06)    2.64                10
 01/17/2020   04:36:56   ( -67.90, -70.12) 01/17/2020   04:35:43  ( -67.94, -70.69)   24.50                73
 01/19/2020   19:12:29   ( -68.42,  70.37) 01/19/2020   19:13:23  ( -68.40,  70.41)    2.75                54
 01/19/2020   20:03:12   (  68.26,-122.11) 01/19/2020   20:02:51  (  68.25,-122.14)    1.72                21
 01/19/2020   20:53:41   ( -67.46,  46.19) 01/19/2020   20:52:32  ( -67.54,  44.67)   64.93                69
 01/22/2020   11:29:20   ( -68.37,-173.79) 01/22/2020   11:30:08  ( -68.37,-173.82)    1.35                48
 01/22/2020   12:20:04   (  68.26,  -6.34) 01/22/2020   12:19:35  (  68.27,  -6.30)    1.61                29
 01/22/2020   13:10:29   ( -67.25, 162.22) 01/22/2020   13:09:21  ( -67.28, 160.20)   86.67                68
 01/25/2020   03:46:13   ( -68.38, -58.02) 01/25/2020   03:46:57  ( -68.38, -58.01)    0.43                44
 01/25/2020   04:36:56   (  68.22, 109.50) 01/25/2020   04:36:25  (  68.22, 109.44)    2.56                31
 01/27/2020   20:03:06   ( -68.38,  57.75) 01/27/2020   20:03:50  ( -68.38,  57.76)    0.72                44
 01/27/2020   20:53:49   (  68.23,-134.73) 01/27/2020   20:53:18  (  68.22,-134.79)    2.28                31