Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2019 12 24.  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)
 12/26/2019   18:22:13   ( -68.97,  82.27) 12/26/2019   18:23:23  ( -68.88,  83.47)   49.05                70
 12/26/2019   19:12:47   (  68.32,-109.55) 12/26/2019   19:12:58  (  68.33,-109.56)    1.83                11
 12/26/2019   20:03:29   ( -68.23,  57.88) 12/26/2019   20:02:28  ( -68.22,  57.94)    2.87                61
 12/29/2019   10:38:55   ( -68.42,-161.22) 12/29/2019   10:39:59  ( -68.43,-161.21)    1.27                64
 12/29/2019   11:29:39   (  68.30,   6.24) 12/29/2019   11:29:26  (  68.32,   6.31)    3.52                13
 12/29/2019   12:20:14   ( -67.83, 174.15) 12/29/2019   12:19:02  ( -67.88, 173.42)   31.01                72
 01/01/2020   02:55:47   ( -68.35, -45.35) 01/01/2020   02:56:29  ( -68.36, -45.41)    3.00                42
 01/01/2020   03:46:31   (  68.23, 122.11) 01/01/2020   03:45:56  (  68.25, 122.10)    2.01                35
 01/03/2020   18:22:10   (  69.07, -97.86) 01/03/2020   18:23:19  (  68.95, -96.43)   58.41                69
 01/03/2020   19:12:40   ( -68.33,  70.45) 01/03/2020   19:12:58  ( -68.34,  70.45)    1.66                18
 01/03/2020   20:03:24   (  68.22,-122.10) 01/03/2020   20:02:25  (  68.23,-122.04)    2.93                59
 01/06/2020   10:38:51   (  68.42,  18.80) 01/06/2020   10:39:57  (  68.43,  18.80)    1.35                66
 01/06/2020   11:29:33   ( -68.31,-173.75) 01/06/2020   11:29:27  ( -68.32,-173.69)    2.80                 6
 01/06/2020   12:20:11   (  67.88,  -5.90) 01/06/2020   12:18:59  (  67.93,  -6.51)   25.96                72