Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 12 6.  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)
 12/07/2020   10:38:48   (  68.41,  18.82) 12/07/2020   10:39:59  (  68.42,  18.75)    2.74                71
 12/07/2020   11:29:29   ( -68.29,-173.70) 12/07/2020   11:29:29  ( -68.31,-173.75)    2.90                 0
 12/07/2020   12:20:11   (  68.05,  -6.08) 12/07/2020   12:18:58  (  68.08,  -6.36)   12.47                73
 12/10/2020   02:55:40   (  68.36, 134.66) 12/10/2020   02:56:27  (  68.38, 134.60)    3.47                47
 12/10/2020   03:46:22   ( -68.29, -57.92) 12/10/2020   03:45:57  ( -68.28, -57.90)    1.55                25
 12/10/2020   04:36:47   (  67.13, 110.80) 12/10/2020   04:35:41  (  67.21, 108.53)   98.46                66
 12/12/2020   18:22:06   ( -69.40,  81.72) 12/12/2020   18:23:13  ( -69.29,  83.98)   89.46                67
 12/12/2020   19:12:33   (  68.37,-109.57) 12/12/2020   19:12:55  (  68.34,-109.57)    3.12                22
 12/12/2020   20:03:14   ( -68.24,  57.92) 12/12/2020   20:02:25  ( -68.24,  57.94)    0.93                49
 12/15/2020   10:38:43   ( -68.56,-161.35) 12/15/2020   10:39:54  ( -68.53,-161.11)   10.36                71
 12/15/2020   11:29:24   (  68.28,   6.33) 12/15/2020   11:29:23  (  68.30,   6.26)    3.60                 1
 12/15/2020   12:20:06   ( -68.19, 173.75) 12/15/2020   12:18:53  ( -68.20, 173.77)    0.79                73
 12/18/2020   02:55:32   ( -68.41, -45.37) 12/18/2020   02:56:22  ( -68.42, -45.35)    1.40                50
 12/18/2020   03:46:16   (  68.29, 122.09) 12/18/2020   03:45:49  (  68.30, 122.15)    2.60                27
 12/18/2020   04:36:42   ( -67.34, -69.43) 12/18/2020   04:35:34  ( -67.36, -71.30)   80.20                68