Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 9 21.  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)
 09/23/2020   18:22:35   ( -68.50,  82.83) 09/23/2020   18:23:47  ( -68.48,  82.98)    6.39                72
 09/23/2020   19:13:18   (  68.33,-109.64) 09/23/2020   19:13:15  (  68.32,-109.58)    3.09                 3
 09/23/2020   20:03:59   ( -68.19,  57.87) 09/23/2020   20:02:45  ( -68.21,  57.93)    3.48                74
 09/26/2020   10:39:29   ( -68.40,-161.26) 09/26/2020   10:40:19  ( -68.38,-161.27)    1.93                50
 09/26/2020   11:30:13   (  68.29,   6.19) 09/26/2020   11:29:46  (  68.27,   6.24)    2.64                27
 09/26/2020   12:20:39   ( -67.33, 174.69) 09/26/2020   12:19:31  ( -67.33, 172.79)   81.42                68
 09/29/2020   02:05:58   (  69.36, 145.88) 09/29/2020   02:07:05  (  69.24, 148.05)   86.18                67
 09/29/2020   02:56:23   ( -68.35, -45.43) 09/29/2020   02:56:49  ( -68.36, -45.42)    1.28                26
 09/29/2020   03:47:07   (  68.24, 122.02) 09/29/2020   03:46:16  (  68.25, 122.08)    2.59                51
 10/01/2020   18:22:38   (  68.52, -97.19) 10/01/2020   18:23:50  (  68.46, -97.06)    7.82                72
 10/01/2020   19:13:18   ( -68.31,  70.40) 10/01/2020   19:13:21  ( -68.31,  70.39)    0.70                 3
 10/01/2020   20:04:01   (  68.14,-122.08) 10/01/2020   20:02:49  (  68.14,-122.18)    4.10                72
 10/04/2020   10:39:32   (  68.42,  18.71) 10/04/2020   10:40:22  (  68.43,  18.77)    2.58                50
 10/04/2020   11:30:13   ( -68.27,-173.77) 10/04/2020   11:29:53  ( -68.28,-173.78)    2.02                20
 10/04/2020   12:20:42   (  67.35,  -5.33) 10/04/2020   12:19:34  (  67.37,  -7.18)   79.23                68