Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 10 18.  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)
 10/18/2019   10:39:35   (  68.43,  18.74) 10/18/2019   10:40:02  (  68.41,  18.70)    2.73                27
 10/18/2019   11:30:16   ( -68.30,-173.77) 10/18/2019   11:29:32  ( -68.30,-173.79)    1.28                44
 10/21/2019   02:05:48   ( -68.75, -33.22) 10/21/2019   02:07:00  ( -68.67, -32.75)   20.86                72
 10/21/2019   02:56:28   (  68.41, 134.54) 10/21/2019   02:56:30  (  68.39, 134.55)    2.57                 2
 10/21/2019   03:47:09   ( -68.27, -57.97) 10/21/2019   03:46:00  ( -68.28, -57.94)    1.46                69
 10/23/2019   18:22:37   ( -68.46,  82.93) 10/23/2019   18:23:32  ( -68.48,  82.90)    2.59                55
 10/23/2019   19:13:21   (  68.34,-109.60) 10/23/2019   19:12:59  (  68.36,-109.60)    2.76                22
 10/23/2019   20:03:50   ( -67.55,  58.69) 10/23/2019   20:02:41  ( -67.59,  57.13)   66.29                69
 10/26/2019   10:39:31   ( -68.44,-161.28) 10/26/2019   10:40:01  ( -68.46,-161.25)    1.94                30
 10/26/2019   11:30:15   (  68.32,   6.19) 10/26/2019   11:29:28  (  68.34,   6.24)    2.79                47
 10/29/2019   02:05:47   (  68.73, 146.80) 10/29/2019   02:06:58  (  68.64, 147.22)   19.69                71
 10/29/2019   02:56:24   ( -68.38, -45.42) 10/29/2019   02:56:31  ( -68.38, -45.47)    2.18                 7
 10/29/2019   03:47:08   (  68.25, 122.05) 10/29/2019   03:45:58  (  68.25, 122.02)    0.83                70
 10/31/2019   18:22:36   (  68.51, -97.14) 10/31/2019   18:23:28  (  68.50, -97.07)    2.58                52
 10/31/2019   19:13:17   ( -68.36,  70.37) 10/31/2019   19:12:59  ( -68.36,  70.38)    0.86                18
 10/31/2019   20:03:47   (  67.49,-121.24) 10/31/2019   20:02:38  (  67.56,-122.91)   71.29                69