Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 9 17.  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)
 09/18/2020   10:39:27   (  68.37,  18.77) 09/18/2020   10:40:15  (  68.36,  18.73)    1.88                48
 09/18/2020   11:30:09   ( -68.28,-173.79) 09/18/2020   11:29:45  ( -68.26,-173.77)    2.55                24
 09/18/2020   12:20:35   (  67.18,  -5.14) 09/18/2020   12:19:28  (  67.25,  -7.28)   92.19                67
 09/21/2020   02:05:55   ( -69.34, -34.08) 09/21/2020   02:07:02  ( -69.28, -31.88)   86.77                67
 09/21/2020   02:56:22   (  68.32, 134.61) 09/21/2020   02:56:44  (  68.34, 134.58)    2.48                22
 09/21/2020   03:47:04   ( -68.22, -57.95) 09/21/2020   03:46:14  ( -68.23, -57.91)    1.77                50
 09/23/2020   18:22:34   ( -68.43,  82.92) 09/23/2020   18:23:46  ( -68.42,  82.92)    1.32                72
 09/23/2020   19:13:18   (  68.32,-109.62) 09/23/2020   19:13:13  (  68.30,-109.58)    2.73                 5
 09/23/2020   20:03:58   ( -68.12,  57.96) 09/23/2020   20:02:44  ( -68.15,  57.87)    4.98                74
 09/26/2020   10:39:28   ( -68.39,-161.24) 09/26/2020   10:40:14  ( -68.39,-161.24)    0.73                46
 09/26/2020   11:30:12   (  68.28,   6.21) 09/26/2020   11:29:41  (  68.27,   6.26)    2.24                31
 09/26/2020   12:20:35   ( -67.15, 174.90) 09/26/2020   12:19:28  ( -67.22, 172.70)   95.39                67
 09/29/2020   02:05:54   (  69.14, 146.20) 09/29/2020   02:07:03  (  69.01, 147.78)   64.25                69
 09/29/2020   02:56:23   ( -68.34, -45.41) 09/29/2020   02:56:43  ( -68.36, -45.40)    2.12                20
 09/29/2020   03:47:07   (  68.23, 122.04) 09/29/2020   03:46:10  (  68.23, 122.10)    2.36                57