Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 11 30.  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)
 11/30/2019   03:46:52   (  68.21, 122.09) 11/30/2019   03:45:58  (  68.23, 122.07)    1.76                54
 12/02/2019   18:22:20   (  68.44, -97.06) 12/02/2019   18:23:30  (  68.45, -97.06)    1.12                70
 12/02/2019   19:13:01   ( -68.31,  70.43) 12/02/2019   19:13:00  ( -68.34,  70.44)    3.35                 1
 12/02/2019   20:03:42   (  68.02,-121.89) 12/02/2019   20:02:30  (  68.06,-122.24)   15.62                72
 12/05/2019   10:39:13   (  68.41,  18.76) 12/05/2019   10:40:00  (  68.39,  18.75)    1.94                47
 12/05/2019   11:29:54   ( -68.27,-173.75) 12/05/2019   11:29:30  ( -68.28,-173.75)    1.05                24
 12/05/2019   12:20:20   (  67.17,  -5.09) 12/05/2019   12:19:14  (  67.22,  -7.32)   96.13                66
 12/08/2019   02:05:39   ( -69.46, -34.21) 12/08/2019   02:06:45  ( -69.38, -31.76)   96.02                66
 12/08/2019   02:56:05   (  68.38, 134.57) 12/08/2019   02:56:28  (  68.38, 134.62)    1.85                23
 12/08/2019   03:46:46   ( -68.24, -57.93) 12/08/2019   03:45:59  ( -68.22, -57.94)    2.28                47
 12/10/2019   18:22:17   ( -68.63,  82.71) 12/10/2019   18:23:28  ( -68.59,  83.11)   16.81                71
 12/10/2019   19:12:57   (  68.30,-109.55) 12/10/2019   19:12:58  (  68.31,-109.59)    2.12                 1
 12/10/2019   20:03:39   ( -68.21,  57.88) 12/10/2019   20:02:28  ( -68.20,  57.92)    1.71                71
 12/13/2019   10:39:06   ( -68.39,-161.20) 12/13/2019   10:40:00  ( -68.40,-161.23)    2.45                54
 12/13/2019   11:29:50   (  68.27,   6.26) 12/13/2019   11:29:27  (  68.29,   6.27)    1.70                23
 12/13/2019   12:20:18   ( -67.43, 174.62) 12/13/2019   12:19:09  ( -67.51, 173.01)   69.41                69