Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 9 8.  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)
 09/10/2020   10:39:24   ( -68.41,-161.28) 09/10/2020   10:40:17  ( -68.41,-161.22)    2.25                53
 09/10/2020   11:30:07   (  68.24,   6.25) 09/10/2020   11:29:45  (  68.24,   6.22)    1.36                22
 09/10/2020   12:20:36   ( -67.45, 174.55) 09/10/2020   12:19:27  ( -67.47, 172.96)   67.94                69
 09/13/2020   02:05:55   (  69.41, 145.81) 09/13/2020   02:07:01  (  69.33, 148.19)   93.71                66
 09/13/2020   02:56:19   ( -68.35, -45.43) 09/13/2020   02:56:47  ( -68.34, -45.43)    1.71                28
 09/13/2020   03:47:03   (  68.24, 122.03) 09/13/2020   03:46:14  (  68.22, 122.08)    2.76                49
 09/15/2020   18:22:34   (  68.50, -97.17) 09/15/2020   18:23:45  (  68.48, -97.01)    7.16                71
 09/15/2020   19:13:14   ( -68.30,  70.41) 09/15/2020   19:13:16  ( -68.32,  70.43)    2.59                 2
 09/15/2020   20:03:57   (  68.13,-122.07) 09/15/2020   20:02:44  (  68.15,-122.13)    3.14                73
 09/18/2020   10:39:28   (  68.40,  18.73) 09/18/2020   10:40:15  (  68.40,  18.77)    1.46                47
 09/18/2020   11:30:09   ( -68.24,-173.75) 09/18/2020   11:29:46  ( -68.24,-173.78)    1.49                23
 09/18/2020   12:20:36   (  67.22,  -5.18) 09/18/2020   12:19:29  (  67.22,  -7.30)   91.48                67
 09/21/2020   02:05:55   ( -69.36, -34.11) 09/21/2020   02:07:02  ( -69.27, -31.90)   87.62                67
 09/21/2020   02:56:22   (  68.35, 134.57) 09/21/2020   02:56:43  (  68.37, 134.61)    2.53                21
 09/21/2020   03:47:03   ( -68.19, -57.91) 09/21/2020   03:46:14  ( -68.22, -57.93)    2.73                49