Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 7 19.  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)
 07/19/2020   04:37:05   (  67.27, 110.57) 07/19/2020   04:35:57  (  67.33, 108.70)   80.68                68
 07/21/2020   18:22:26   ( -69.45,  81.57) 07/21/2020   18:23:32  ( -69.35,  84.10)   99.66                66
 07/21/2020   19:12:51   (  68.31,-109.56) 07/21/2020   19:13:16  (  68.30,-109.58)    1.53                25
 07/21/2020   20:03:32   ( -68.18,  57.92) 07/21/2020   20:02:46  ( -68.19,  57.92)    1.26                46
 07/24/2020   10:39:05   ( -68.51,-161.36) 07/24/2020   10:40:17  ( -68.48,-161.12)   10.14                72
 07/24/2020   11:29:47   (  68.27,   6.26) 07/24/2020   11:29:46  (  68.26,   6.25)    1.27                 1
 07/24/2020   12:20:28   ( -68.14, 173.74) 07/24/2020   12:19:16  ( -68.15, 173.76)    2.13                72
 07/27/2020   02:55:59   ( -68.36, -45.40) 07/27/2020   02:56:49  ( -68.33, -45.43)    3.17                50
 07/27/2020   03:46:43   (  68.23, 122.07) 07/27/2020   03:46:16  (  68.21, 122.08)    1.78                27
 07/27/2020   04:37:08   ( -67.23, -69.39) 07/27/2020   04:36:00  ( -67.33, -71.30)   82.96                68
 07/29/2020   18:22:28   (  69.21, -98.10) 07/29/2020   18:23:36  (  69.11, -96.21)   75.38                68
 07/29/2020   19:12:55   ( -68.32,  70.42) 07/29/2020   19:13:19  ( -68.29,  70.40)    3.40                24
 07/29/2020   20:03:39   (  68.19,-122.11) 07/29/2020   20:02:46  (  68.16,-122.10)    2.88                53
 08/01/2020   10:39:08   (  68.37,  18.80) 08/01/2020   10:40:17  (  68.39,  18.77)    2.96                69
 08/01/2020   11:29:50   ( -68.28,-173.76) 08/01/2020   11:29:47  ( -68.29,-173.71)    2.89                 3
 08/01/2020   12:20:30   (  67.94,  -6.03) 08/01/2020   12:19:17  (  68.00,  -6.41)   17.61                73