Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 9 5.  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)
 09/05/2020   02:56:18   (  68.35, 134.57) 09/05/2020   02:56:47  (  68.34, 134.58)    1.09                29
 09/05/2020   03:46:59   ( -68.21, -57.93) 09/05/2020   03:46:17  ( -68.22, -57.92)    1.84                42
 09/07/2020   18:22:33   ( -68.67,  82.61) 09/07/2020   18:23:45  ( -68.60,  83.13)   22.84                72
 09/07/2020   19:13:12   (  68.29,-109.58) 09/07/2020   19:13:16  (  68.27,-109.62)    2.65                 4
 09/07/2020   20:03:53   ( -68.14,  57.93) 09/07/2020   20:02:46  ( -68.16,  57.88)    2.64                67
 09/10/2020   10:39:24   ( -68.40,-161.26) 09/10/2020   10:40:17  ( -68.42,-161.21)    3.30                53
 09/10/2020   11:30:07   (  68.23,   6.27) 09/10/2020   11:29:45  (  68.25,   6.24)    2.95                22
 09/10/2020   12:20:36   ( -67.43, 174.57) 09/10/2020   12:19:27  ( -67.48, 172.97)   68.11                69
 09/13/2020   02:05:55   (  69.40, 145.83) 09/13/2020   02:07:01  (  69.34, 148.21)   93.43                66
 09/13/2020   02:56:19   ( -68.34, -45.41) 09/13/2020   02:56:47  ( -68.35, -45.41)    1.00                28
 09/13/2020   03:47:03   (  68.23, 122.04) 09/13/2020   03:46:14  (  68.23, 122.09)    2.17                49
 09/15/2020   18:22:34   (  68.49, -97.15) 09/15/2020   18:23:45  (  68.48, -97.00)    6.19                71
 09/15/2020   19:13:14   ( -68.28,  70.44) 09/15/2020   19:13:17  ( -68.27,  70.37)    2.90                 3
 09/15/2020   20:03:57   (  68.12,-122.05) 09/15/2020   20:02:44  (  68.15,-122.12)    4.70                73
 09/18/2020   10:39:27   (  68.38,  18.76) 09/18/2020   10:40:14  (  68.39,  18.77)    1.32                47
 09/18/2020   11:30:08   ( -68.22,-173.72) 09/18/2020   11:29:45  ( -68.24,-173.78)    3.02                23
 09/18/2020   12:20:35   (  67.20,  -5.16) 09/18/2020   12:19:28  (  67.22,  -7.30)   92.29                67