Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 8 28.  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)
 08/28/2019   18:22:45   (  68.42, -97.10) 08/28/2019   18:23:41  (  68.40, -97.15)    3.16                56
 08/28/2019   19:13:26   ( -68.28,  70.40) 08/28/2019   19:13:11  ( -68.28,  70.34)    2.47                15
 08/28/2019   20:03:58   (  67.50,-121.34) 08/28/2019   20:02:49  (  67.56,-122.85)   64.59                69
 08/31/2019   10:39:40   (  68.40,  18.69) 08/31/2019   10:40:09  (  68.40,  18.73)    1.74                29
 08/31/2019   11:30:21   ( -68.26,-173.80) 08/31/2019   11:29:40  ( -68.23,-173.84)    3.31                41
 09/03/2019   02:05:56   ( -68.77, -33.33) 09/03/2019   02:07:07  ( -68.68, -32.69)   27.48                71
 09/03/2019   02:56:34   (  68.33, 134.56) 09/03/2019   02:56:38  (  68.35, 134.55)    1.97                 4
 09/03/2019   03:47:16   ( -68.24, -58.01) 09/03/2019   03:46:08  ( -68.24, -57.95)    2.31                68
 09/05/2019   18:22:44   ( -68.43,  82.89) 09/05/2019   18:23:39  ( -68.40,  82.85)    3.19                55
 09/05/2019   19:13:28   (  68.32,-109.65) 09/05/2019   19:13:06  (  68.29,-109.64)    2.75                22
 09/05/2019   20:03:57   ( -67.52,  58.66) 09/05/2019   20:02:47  ( -67.57,  57.16)   63.91                70
 09/08/2019   09:49:15   (  69.47,  29.92) 09/08/2019   09:50:21  (  69.40,  32.36)   95.95                66
 09/08/2019   10:39:39   ( -68.41,-161.31) 09/08/2019   10:40:07  ( -68.40,-161.27)    1.96                28
 09/08/2019   11:30:22   (  68.25,   6.21) 09/08/2019   11:29:35  (  68.23,   6.18)    2.19                47
 09/11/2019   02:05:53   (  68.55, 146.96) 09/11/2019   02:07:05  (  68.50, 147.10)    8.12                72