Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 1 9.  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)
 01/11/2019   10:39:33   ( -68.34,-161.25) 01/11/2019   10:40:31  ( -68.34,-161.31)    2.52                58
 01/11/2019   11:30:17   (  68.23,   6.20) 01/11/2019   11:29:58  (  68.23,   6.20)    0.37                19
 01/11/2019   12:20:48   ( -67.54, 174.37) 01/11/2019   12:19:38  ( -67.56, 173.06)   55.65                70
 01/14/2019   02:56:27   ( -68.32, -45.45) 01/14/2019   02:57:01  ( -68.30, -45.48)    2.47                34
 01/14/2019   03:47:11   (  68.20, 122.00) 01/14/2019   03:46:28  (  68.19, 122.03)    2.27                43
 01/16/2019   18:22:45   (  68.72, -97.52) 01/16/2019   18:23:56  (  68.65, -96.81)   29.43                71
 01/16/2019   19:13:21   ( -68.30,  70.35) 01/16/2019   19:13:31  ( -68.27,  70.36)    3.33                10
 01/16/2019   20:04:04   (  68.13,-122.13) 01/16/2019   20:02:58  (  68.15,-122.14)    2.18                66
 01/19/2019   10:39:33   (  68.38,  18.70) 01/19/2019   10:40:30  (  68.40,  18.76)    3.22                57
 01/19/2019   11:30:14   ( -68.22,-173.78) 01/19/2019   11:30:01  ( -68.24,-173.80)    1.96                13
 01/19/2019   12:20:47   (  67.52,  -5.60) 01/19/2019   12:19:37  (  67.62,  -6.87)   55.05                70
 01/22/2019   02:56:25   (  68.31, 134.56) 01/22/2019   02:57:00  (  68.32, 134.54)    1.69                35
 01/22/2019   03:47:07   ( -68.21, -57.99) 01/22/2019   03:46:30  ( -68.22, -57.94)    2.59                37