Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 1 20.  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)
 01/22/2020   10:38:53   (  69.24,  17.73) 01/22/2020   10:40:01  (  69.11,  19.57)   74.29                68
 01/22/2020   11:29:20   ( -68.34,-173.75) 01/22/2020   11:29:43  ( -68.33,-173.77)    1.55                23
 01/22/2020   12:20:04   (  68.23,  -6.30) 01/22/2020   12:19:10  (  68.23,  -6.25)    2.04                54
 01/25/2020   02:55:33   (  68.55, 134.44) 01/25/2020   02:56:45  (  68.50, 134.67)   10.48                72
 01/25/2020   03:46:12   ( -68.29, -57.91) 01/25/2020   03:46:17  ( -68.28, -57.96)    2.43                 5
 01/25/2020   04:36:56   (  68.18, 109.54) 01/25/2020   04:35:44  (  68.18, 109.55)    0.54                72
 01/27/2020   19:12:22   (  68.39,-109.58) 01/27/2020   19:13:19  (  68.39,-109.60)    0.96                57
 01/27/2020   20:03:04   ( -68.30,  57.86) 01/27/2020   20:02:49  ( -68.29,  57.91)    2.03                15
 01/27/2020   20:53:36   (  67.54,-133.88) 01/27/2020   20:52:26  (  67.62,-135.23)   57.70                70
 01/30/2020   11:29:14   (  68.35,   6.26) 01/30/2020   11:29:53  (  68.34,   6.20)    2.46                39
 01/30/2020   12:19:56   ( -68.25, 173.70) 01/30/2020   12:19:23  ( -68.25, 173.72)    0.76                33
 02/02/2020   02:55:38   ( -69.27, -46.51) 02/02/2020   02:56:46  ( -69.19, -44.53)   78.60                68
 02/02/2020   03:46:07   (  68.36, 122.02) 02/02/2020   03:46:26  (  68.35, 122.07)    2.03                19
 02/02/2020   04:36:48   ( -68.21, -70.46) 02/02/2020   04:35:57  ( -68.20, -70.48)    0.82                51