Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2021 2 28.  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)
 02/28/2021   02:55:45   (  68.37, 134.56) 02/28/2021   02:55:47  (  68.38, 134.56)    0.79                 2
 02/28/2021   03:46:26   ( -68.24, -57.95) 02/28/2021   03:45:17  ( -68.27, -57.94)    3.33                69
 03/02/2021   18:21:55   ( -68.46,  82.91) 03/02/2021   18:22:48  ( -68.47,  82.90)    1.34                53
 03/02/2021   19:12:39   (  68.33,-109.61) 03/02/2021   19:12:15  (  68.35,-109.59)    2.77                24
 03/02/2021   20:03:07   ( -67.49,  58.74) 03/02/2021   20:01:58  ( -67.52,  57.07)   71.02                69
 03/05/2021   09:48:25   (  69.46,  29.99) 03/05/2021   09:49:31  (  69.38,  32.30)   90.76                66
 03/05/2021   10:38:49   ( -68.42,-161.26) 03/05/2021   10:39:16  ( -68.44,-161.25)    2.86                27
 03/05/2021   11:29:32   (  68.29,   6.21) 03/05/2021   11:28:43  (  68.27,   6.18)    2.67                49
 03/08/2021   02:05:02   (  68.57, 146.99) 03/08/2021   02:06:12  (  68.57, 147.15)    6.34                70
 03/08/2021   02:55:42   ( -68.38, -45.44) 03/08/2021   02:55:44  ( -68.36, -45.48)    2.96                 2
 03/08/2021   03:46:24   (  68.15, 122.17) 03/08/2021   03:45:12  (  68.18, 121.96)    9.34                72
 03/10/2021   18:21:55   (  68.48, -97.12) 03/10/2021   18:22:41  (  68.47, -97.09)    1.70                46
 03/10/2021   19:12:36   ( -68.34,  70.38) 03/10/2021   19:12:12  ( -68.32,  70.36)    2.68                24
 03/10/2021   20:03:02   (  67.25,-120.96) 03/10/2021   20:01:55  (  67.30,-123.17)   94.81                67
 03/13/2021   09:48:21   ( -69.42,-149.94) 03/13/2021   09:49:28  ( -69.33,-147.77)   85.73                67
 03/13/2021   10:38:49   (  68.45,  18.69) 03/13/2021   10:39:09  (  68.43,  18.74)    3.02                20
 03/13/2021   11:29:30   ( -68.31,-173.81) 03/13/2021   11:28:40  ( -68.28,-173.81)    3.44                50