Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 12 1.  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)
 12/02/2020   02:55:46   ( -68.40, -45.40) 12/02/2020   02:56:33  ( -68.40, -45.39)    0.35                47
 12/02/2020   03:46:30   (  68.27, 122.08) 12/02/2020   03:46:00  (  68.29, 122.12)    3.20                30
 12/02/2020   04:36:54   ( -67.23, -69.32) 12/02/2020   04:35:46  ( -67.29, -71.40)   89.36                68
 12/04/2020   18:22:12   (  69.27, -98.12) 12/04/2020   18:23:19  (  69.16, -96.19)   77.07                67
 12/04/2020   19:12:38   ( -68.34,  70.45) 12/04/2020   19:13:02  ( -68.33,  70.40)    2.58                24
 12/04/2020   20:03:22   (  68.21,-122.07) 12/04/2020   20:02:29  (  68.22,-122.09)    1.10                53
 12/07/2020   10:38:48   (  68.42,  18.82) 12/07/2020   10:39:59  (  68.41,  18.75)    2.82                71
 12/07/2020   11:29:29   ( -68.29,-173.70) 12/07/2020   11:29:29  ( -68.31,-173.74)    2.85                 0
 12/07/2020   12:20:11   (  68.05,  -6.09) 12/07/2020   12:18:58  (  68.08,  -6.37)   12.11                73
 12/10/2020   02:55:40   (  68.37, 134.66) 12/10/2020   02:56:27  (  68.38, 134.59)    2.84                47
 12/10/2020   03:46:22   ( -68.29, -57.92) 12/10/2020   03:45:57  ( -68.27, -57.90)    1.90                25
 12/10/2020   04:36:47   (  67.13, 110.80) 12/10/2020   04:35:41  (  67.20, 108.52)   98.45                66
 12/12/2020   18:22:06   ( -69.40,  81.72) 12/12/2020   18:23:13  ( -69.28,  83.97)   89.28                67
 12/12/2020   19:12:33   (  68.38,-109.58) 12/12/2020   19:12:54  (  68.39,-109.51)    2.81                21
 12/12/2020   20:03:14   ( -68.24,  57.92) 12/12/2020   20:02:25  ( -68.23,  57.93)    1.08                49
 12/15/2020   10:38:43   ( -68.56,-161.35) 12/15/2020   10:39:54  ( -68.51,-161.12)   10.53                71
 12/15/2020   11:29:25   (  68.34,   6.25) 12/15/2020   11:29:22  (  68.33,   6.31)    2.21                 3
 12/15/2020   12:20:06   ( -68.19, 173.75) 12/15/2020   12:18:53  ( -68.18, 173.76)    1.54                73