Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 10 15.  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)
 10/15/2019   18:22:41   (  68.47, -97.08) 10/15/2019   18:23:32  (  68.48, -97.10)    1.06                51
 10/15/2019   19:13:23   ( -68.39,  70.35) 10/15/2019   19:13:02  ( -68.37,  70.40)    3.33                21
 10/15/2019   20:03:51   (  67.40,-121.12) 10/15/2019   20:02:43  (  67.47,-122.99)   80.37                68
 10/18/2019   10:39:35   (  68.45,  18.72) 10/18/2019   10:40:01  (  68.45,  18.74)    0.95                26
 10/18/2019   11:30:16   ( -68.31,-173.78) 10/18/2019   11:29:32  ( -68.29,-173.81)    2.52                44
 10/21/2019   02:05:49   ( -68.76, -33.23) 10/21/2019   02:07:00  ( -68.70, -32.71)   21.77                71
 10/21/2019   02:56:29   (  68.42, 134.52) 10/21/2019   02:56:30  (  68.42, 134.58)    2.54                 1
 10/21/2019   03:47:10   ( -68.29, -57.98) 10/21/2019   03:46:01  ( -68.26, -57.97)    2.43                69
 10/23/2019   18:22:38   ( -68.52,  82.85) 10/23/2019   18:23:31  ( -68.51,  82.92)    3.30                53
 10/23/2019   19:13:21   (  68.35,-109.61) 10/23/2019   19:12:59  (  68.33,-109.65)    2.76                22
 10/23/2019   20:03:50   ( -67.56,  58.69) 10/23/2019   20:02:40  ( -67.62,  57.16)   65.13                70
 10/26/2019   09:49:08   (  69.55,  29.89) 10/26/2019   09:50:14  (  69.45,  32.37)   97.38                66
 10/26/2019   10:39:31   ( -68.45,-161.28) 10/26/2019   10:40:00  ( -68.47,-161.25)    2.76                29
 10/26/2019   11:30:15   (  68.33,   6.18) 10/26/2019   11:29:27  (  68.34,   6.25)    3.13                48
 10/29/2019   02:05:46   (  68.68, 146.87) 10/29/2019   02:06:57  (  68.63, 147.20)   14.31                71
 10/29/2019   02:56:25   ( -68.42, -45.48) 10/29/2019   02:56:29  ( -68.43, -45.42)    2.62                 4
 10/29/2019   03:47:08   (  68.25, 122.05) 10/29/2019   03:45:57  (  68.24, 122.01)    2.14                71