Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 8 15.  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)
 08/17/2020   10:39:16   (  68.40,  18.74) 08/17/2020   10:40:17  (  68.40,  18.78)    1.43                61
 08/17/2020   11:29:57   ( -68.27,-173.76) 08/17/2020   11:29:47  ( -68.29,-173.72)    3.18                10
 08/17/2020   12:20:33   (  67.71,  -5.75) 08/17/2020   12:19:22  (  67.74,  -6.73)   41.23                71
 08/20/2020   02:56:12   (  68.38, 134.54) 08/20/2020   02:56:48  (  68.36, 134.60)    3.57                36
 08/20/2020   03:46:52   ( -68.19, -57.90) 08/20/2020   03:46:19  ( -68.20, -57.96)    2.86                33
 08/22/2020   18:22:34   ( -69.02,  82.15) 08/22/2020   18:23:44  ( -68.91,  83.51)   55.48                70
 08/22/2020   19:13:07   (  68.31,-109.60) 08/22/2020   19:13:20  (  68.30,-109.60)    1.39                13
 08/22/2020   20:03:48   ( -68.17,  57.90) 08/22/2020   20:02:50  ( -68.20,  57.91)    3.38                58
 08/25/2020   10:39:19   ( -68.41,-161.26) 08/25/2020   10:40:25  ( -68.38,-161.28)    3.21                66
 08/25/2020   11:30:02   (  68.24,   6.26) 08/25/2020   11:29:52  (  68.26,   6.22)    3.18                10
 08/25/2020   12:20:39   ( -67.87, 174.04) 08/25/2020   12:19:26  ( -67.94, 173.48)   24.56                73
 08/28/2020   02:56:14   ( -68.39, -45.47) 08/28/2020   02:56:56  ( -68.38, -45.42)    2.32                42
 08/28/2020   03:46:57   (  68.22, 122.05) 08/28/2020   03:46:24  (  68.20, 122.02)    2.44                33