Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 5 13.  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   10:39:04   (  68.75,  18.28) 05/13/2020   10:40:15  (  68.64,  19.03)   32.74                71
 05/13/2020   11:29:39   ( -68.29,-173.79) 05/13/2020   11:29:49  ( -68.30,-173.75)    2.44                10
 05/13/2020   12:20:22   (  68.16,  -6.33) 05/13/2020   12:19:16  (  68.14,  -6.29)    3.22                66
 05/16/2020   02:55:50   (  68.33, 134.61) 05/16/2020   02:56:48  (  68.35, 134.56)    2.89                58
 05/16/2020   03:46:32   ( -68.24, -57.96) 05/16/2020   03:46:18  ( -68.24, -57.93)    1.07                14
 05/16/2020   04:37:05   (  67.53, 110.23) 05/16/2020   04:35:55  (  67.57, 108.93)   55.51                70
 05/18/2020   19:12:45   (  68.34,-109.64) 05/18/2020   19:13:17  (  68.34,-109.57)    2.84                32
 05/18/2020   20:03:26   ( -68.20,  57.87) 05/18/2020   20:02:48  ( -68.18,  57.87)    2.09                38
 05/21/2020   10:39:03   ( -68.85,-161.84) 05/21/2020   10:40:14  ( -68.72,-160.87)   41.53                71
 05/21/2020   11:29:38   (  68.25,   6.25) 05/21/2020   11:29:47  (  68.27,   6.23)    1.83                 9
 05/21/2020   12:20:20   ( -68.16, 173.69) 05/21/2020   12:19:17  ( -68.17, 173.74)    2.05                63
 05/24/2020   02:55:49   ( -68.38, -45.45) 05/24/2020   02:56:49  ( -68.37, -45.42)    2.20                60
 05/24/2020   03:46:32   (  68.22, 122.07) 05/24/2020   03:46:16  (  68.24, 122.08)    2.77                16
 05/24/2020   04:37:04   ( -67.64, -69.88) 05/24/2020   04:35:53  ( -67.70, -70.92)   44.34                71
 05/26/2020   19:12:42   ( -68.35,  70.37) 05/26/2020   19:13:17  ( -68.34,  70.44)    2.72                35
 05/26/2020   20:03:25   (  68.19,-122.11) 05/26/2020   20:02:45  (  68.16,-122.13)    3.15                40