Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 5 12.  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)
 05/13/2020   10:39:03   (  68.74,  18.29) 05/13/2020   10:40:14  (  68.64,  19.04)   32.24                71
 05/13/2020   11:29:38   ( -68.28,-173.78) 05/13/2020   11:29:49  ( -68.25,-173.80)    2.87                11
 05/13/2020   12:20:22   (  68.16,  -6.32) 05/13/2020   12:19:16  (  68.14,  -6.29)    2.06                66
 05/16/2020   02:55:51   (  68.38, 134.54) 05/16/2020   02:56:48  (  68.36, 134.57)    2.70                57
 05/16/2020   03:46:32   ( -68.23, -57.95) 05/16/2020   03:46:18  ( -68.25, -57.92)    2.21                14
 05/16/2020   04:37:05   (  67.52, 110.24) 05/16/2020   04:35:55  (  67.58, 108.94)   55.69                70
 05/18/2020   19:12:45   (  68.34,-109.63) 05/18/2020   19:13:17  (  68.34,-109.57)    2.63                32
 05/18/2020   20:03:26   ( -68.19,  57.88) 05/18/2020   20:02:48  ( -68.19,  57.88)    0.60                38
 05/21/2020   10:39:03   ( -68.84,-161.83) 05/21/2020   10:40:14  ( -68.72,-160.87)   40.88                71
 05/21/2020   11:29:38   (  68.25,   6.26) 05/21/2020   11:29:47  (  68.27,   6.23)    2.59                 9
 05/21/2020   12:20:20   ( -68.15, 173.70) 05/21/2020   12:19:17  ( -68.17, 173.74)    2.56                63
 05/24/2020   02:55:48   ( -68.38, -45.44) 05/24/2020   02:56:48  ( -68.36, -45.42)    1.32                60
 05/24/2020   03:46:31   (  68.21, 122.08) 05/24/2020   03:46:15  (  68.24, 122.08)    3.04                16
 05/24/2020   04:37:04   ( -67.63, -69.87) 05/24/2020   04:35:53  ( -67.70, -70.92)   44.97                71