Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 12 7.  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   10:38:49   (  68.46,  18.76) 12/07/2020   10:39:59  (  68.43,  18.77)    3.17                70
 12/07/2020   11:29:30   ( -68.33,-173.75) 12/07/2020   11:29:29  ( -68.32,-173.73)    1.92                 1
 12/07/2020   12:20:11   (  68.03,  -6.07) 12/07/2020   12:18:58  (  68.10,  -6.35)   13.51                73
 12/10/2020   02:55:41   (  68.41, 134.61) 12/10/2020   02:56:27  (  68.40, 134.61)    1.28                46
 12/10/2020   03:46:22   ( -68.28, -57.91) 12/10/2020   03:45:57  ( -68.29, -57.89)    1.35                25
 12/10/2020   04:36:48   (  67.17, 110.75) 12/10/2020   04:35:41  (  67.22, 108.54)   95.39                67
 12/12/2020   18:22:06   ( -69.39,  81.73) 12/12/2020   18:23:13  ( -69.30,  83.99)   89.18                67
 12/12/2020   19:12:33   (  68.36,-109.56) 12/12/2020   19:12:55  (  68.36,-109.55)    0.59                22
 12/12/2020   20:03:14   ( -68.23,  57.93) 12/12/2020   20:02:25  ( -68.25,  57.95)    2.61                49
 12/15/2020   10:38:42   ( -68.55,-161.33) 12/15/2020   10:39:53  ( -68.54,-161.09)    9.87                71
 12/15/2020   11:29:24   (  68.32,   6.27) 12/15/2020   11:29:22  (  68.31,   6.28)    1.06                 2
 12/15/2020   12:20:05   ( -68.18, 173.77) 12/15/2020   12:18:52  ( -68.21, 173.79)    2.82                73
 12/18/2020   02:55:32   ( -68.40, -45.36) 12/18/2020   02:56:23  ( -68.38, -45.40)    3.03                51
 12/18/2020   03:46:16   (  68.28, 122.10) 12/18/2020   03:45:50  (  68.26, 122.10)    2.74                26
 12/18/2020   04:36:42   ( -67.33, -69.41) 12/18/2020   04:35:34  ( -67.38, -71.28)   80.15                68
 12/20/2020   18:21:59   (  69.37, -98.21) 12/20/2020   18:23:06  (  69.26, -96.05)   85.78                67
 12/20/2020   19:12:24   ( -68.36,  70.47) 12/20/2020   19:12:50  ( -68.38,  70.48)    1.66                26
 12/20/2020   20:03:08   (  68.25,-122.08) 12/20/2020   20:02:17  (  68.26,-122.02)    2.46                51