Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 12 3.  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)
 12/04/2020   18:22:11   (  69.24, -98.06) 12/04/2020   18:23:19  (  69.15, -96.21)   73.86                68
 12/04/2020   19:12:38   ( -68.36,  70.43) 12/04/2020   19:13:01  ( -68.37,  70.45)    1.37                23
 12/04/2020   20:03:22   (  68.22,-122.09) 12/04/2020   20:02:29  (  68.20,-122.10)    2.52                53
 12/07/2020   10:38:49   (  68.43,  18.80) 12/07/2020   10:39:59  (  68.45,  18.80)    2.57                70
 12/07/2020   11:29:30   ( -68.30,-173.72) 12/07/2020   11:29:30  ( -68.29,-173.76)    2.18                 0
 12/07/2020   12:20:11   (  68.01,  -6.04) 12/07/2020   12:18:59  (  68.07,  -6.38)   15.77                72
 12/10/2020   02:55:40   (  68.38, 134.64) 12/10/2020   02:56:27  (  68.37, 134.58)    3.15                47
 12/10/2020   03:46:21   ( -68.25, -57.87) 12/10/2020   03:45:57  ( -68.26, -57.91)    2.44                24
 12/10/2020   04:36:47   (  67.15, 110.78) 12/10/2020   04:35:41  (  67.19, 108.51)   98.20                66
 12/12/2020   18:22:06   ( -69.42,  81.70) 12/12/2020   18:23:13  ( -69.28,  83.96)   89.82                67
 12/12/2020   19:12:33   (  68.39,-109.59) 12/12/2020   19:12:54  (  68.38,-109.52)    2.92                21
 12/12/2020   20:03:14   ( -68.25,  57.90) 12/12/2020   20:02:25  ( -68.22,  57.92)    3.08                49
 12/15/2020   10:38:43   ( -68.57,-161.36) 12/15/2020   10:39:54  ( -68.51,-161.13)   11.48                71
 12/15/2020   11:29:25   (  68.34,   6.24) 12/15/2020   11:29:22  (  68.33,   6.30)    2.78                 3
 12/15/2020   12:20:06   ( -68.20, 173.74) 12/15/2020   12:18:53  ( -68.18, 173.75)    2.83                73