Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 8 22.  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)
 08/23/2019   10:39:38   ( -68.38,-161.28) 08/23/2019   10:40:14  ( -68.36,-161.32)    2.32                36
 08/23/2019   11:30:22   (  68.25,   6.19) 08/23/2019   11:29:41  (  68.26,   6.20)    1.15                41
 08/26/2019   02:05:58   (  68.82, 146.59) 08/26/2019   02:07:08  (  68.72, 147.36)   32.94                70
 08/26/2019   02:56:33   ( -68.35, -45.48) 08/26/2019   02:56:43  ( -68.33, -45.49)    3.04                10
 08/26/2019   03:47:17   (  68.23, 121.99) 08/26/2019   03:46:10  (  68.22, 122.03)    2.31                67
 08/28/2019   18:22:45   (  68.42, -97.11) 08/28/2019   18:23:41  (  68.40, -97.15)    3.21                56
 08/28/2019   19:13:26   ( -68.28,  70.40) 08/28/2019   19:13:11  ( -68.29,  70.35)    2.27                15
 08/28/2019   20:03:58   (  67.51,-121.35) 08/28/2019   20:02:49  (  67.56,-122.85)   64.12                69
 08/31/2019   10:39:40   (  68.41,  18.68) 08/31/2019   10:40:09  (  68.41,  18.74)    2.46                29
 08/31/2019   11:30:21   ( -68.26,-173.80) 08/31/2019   11:29:40  ( -68.25,-173.82)    1.14                41
 09/03/2019   02:05:56   ( -68.77, -33.33) 09/03/2019   02:07:08  ( -68.65, -32.73)   27.41                72
 09/03/2019   02:56:34   (  68.34, 134.55) 09/03/2019   02:56:38  (  68.36, 134.57)    3.19                 4
 09/03/2019   03:47:15   ( -68.18, -57.94) 09/03/2019   03:46:09  ( -68.20, -57.99)    3.31                66
 09/05/2019   18:22:45   ( -68.43,  82.89) 09/05/2019   18:23:40  ( -68.43,  82.89)    0.97                55
 09/05/2019   19:13:29   (  68.32,-109.66) 09/05/2019   19:13:07  (  68.32,-109.61)    2.20                22
 09/05/2019   20:03:58   ( -67.52,  58.66) 09/05/2019   20:02:49  ( -67.55,  57.13)   65.01                69