Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2021 3 5.  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)
 03/05/2021   09:48:24   (  69.45,  30.00) 03/05/2021   09:49:31  (  69.33,  32.23)   88.50                67
 03/05/2021   10:38:48   ( -68.41,-161.26) 03/05/2021   10:39:15  ( -68.44,-161.26)    2.97                27
 03/05/2021   11:29:32   (  68.28,   6.22) 03/05/2021   11:28:43  (  68.27,   6.19)    1.51                49
 03/08/2021   02:05:02   (  68.57, 147.00) 03/08/2021   02:06:12  (  68.57, 147.15)    6.28                70
 03/08/2021   02:55:42   ( -68.38, -45.44) 03/08/2021   02:55:44  ( -68.36, -45.48)    3.15                 2
 03/08/2021   03:46:24   (  68.14, 122.17) 03/08/2021   03:45:12  (  68.18, 121.96)    9.94                72
 03/10/2021   18:21:55   (  68.48, -97.12) 03/10/2021   18:22:41  (  68.48, -97.09)    1.33                46
 03/10/2021   19:12:36   ( -68.35,  70.38) 03/10/2021   19:12:12  ( -68.32,  70.35)    3.15                24
 03/10/2021   20:03:02   (  67.24,-120.96) 03/10/2021   20:01:55  (  67.30,-123.16)   94.89                67
 03/13/2021   09:48:21   ( -69.43,-149.95) 03/13/2021   09:49:28  ( -69.33,-147.78)   85.97                67
 03/13/2021   10:38:49   (  68.45,  18.69) 03/13/2021   10:39:09  (  68.43,  18.74)    2.89                20
 03/13/2021   11:29:30   ( -68.32,-173.81) 03/13/2021   11:28:39  ( -68.33,-173.75)    3.26                51
 03/16/2021   02:04:57   ( -68.50, -32.90) 03/16/2021   02:06:09  ( -68.51, -32.94)    1.81                72
 03/16/2021   02:55:41   (  68.37, 134.57) 03/16/2021   02:55:36  (  68.38, 134.56)    1.17                 5
 03/16/2021   03:46:21   ( -68.18, -57.87) 03/16/2021   03:45:07  ( -68.23, -57.99)    7.38                74
 03/18/2021   18:21:51   ( -68.47,  82.90) 03/18/2021   18:22:37  ( -68.46,  82.88)    2.22                46
 03/18/2021   19:12:35   (  68.35,-109.63) 03/18/2021   19:12:04  (  68.33,-109.62)    2.50                31