Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 10 18.  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)
 10/20/2020   10:39:20   (  68.43,  18.76) 10/20/2020   10:40:12  (  68.42,  18.78)    1.58                52
 10/20/2020   11:30:01   ( -68.30,-173.74) 10/20/2020   11:29:42  ( -68.31,-173.72)    2.24                19
 10/20/2020   12:20:31   (  67.41,  -5.34) 10/20/2020   12:19:22  (  67.47,  -7.05)   72.96                69
 10/23/2020   02:56:12   (  68.38, 134.60) 10/23/2020   02:56:40  (  68.38, 134.61)    0.38                28
 10/23/2020   03:46:53   ( -68.24, -57.90) 10/23/2020   03:46:11  ( -68.22, -57.94)    2.79                42
 10/25/2020   18:22:27   ( -68.77,  82.55) 10/25/2020   18:23:38  ( -68.68,  83.21)   28.76                71
 10/25/2020   19:13:05   (  68.33,-109.56) 10/25/2020   19:13:09  (  68.34,-109.56)    0.55                 4
 10/25/2020   20:03:46   ( -68.19,  57.93) 10/25/2020   20:02:40  ( -68.18,  57.89)    2.09                66
 10/28/2020   10:39:14   ( -68.40,-161.19) 10/28/2020   10:40:11  ( -68.41,-161.23)    1.99                57
 10/28/2020   11:29:58   (  68.28,   6.27) 10/28/2020   11:29:38  (  68.29,   6.26)    0.53                20
 10/28/2020   12:20:28   ( -67.55, 174.50) 10/28/2020   12:19:18  ( -67.64, 173.13)   58.53                70
 10/31/2020   02:56:07   ( -68.36, -45.36) 10/31/2020   02:56:40  ( -68.36, -45.41)    2.30                33
 10/31/2020   03:46:51   (  68.24, 122.10) 10/31/2020   03:46:07  (  68.23, 122.08)    0.84                44