Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2021 3 1.  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)
 03/02/2021   18:21:56   ( -68.50,  82.86) 03/02/2021   18:22:48  ( -68.48,  82.91)    2.83                52
 03/02/2021   19:12:38   (  68.31,-109.59) 03/02/2021   19:12:15  (  68.31,-109.64)    2.08                23
 03/02/2021   20:03:06   ( -67.48,  58.76) 03/02/2021   20:01:57  ( -67.53,  57.09)   71.27                69
 03/05/2021   09:48:24   (  69.45,  30.01) 03/05/2021   09:49:31  (  69.34,  32.25)   88.29                67
 03/05/2021   10:38:48   ( -68.40,-161.24) 03/05/2021   10:39:16  ( -68.40,-161.31)    2.53                28
 03/05/2021   11:29:32   (  68.28,   6.23) 03/05/2021   11:28:43  (  68.28,   6.20)    1.35                49
 03/08/2021   02:05:02   (  68.56, 147.01) 03/08/2021   02:06:13  (  68.53, 147.09)    4.77                71
 03/08/2021   02:55:42   ( -68.37, -45.42) 03/08/2021   02:55:44  ( -68.37, -45.46)    1.71                 2
 03/08/2021   03:46:25   (  68.19, 122.12) 03/08/2021   03:45:12  (  68.19, 121.97)    5.95                73
 03/10/2021   18:21:55   (  68.47, -97.10) 03/10/2021   18:22:41  (  68.49, -97.07)    2.50                46
 03/10/2021   19:12:36   ( -68.33,  70.40) 03/10/2021   19:12:12  ( -68.33,  70.37)    1.03                24
 03/10/2021   20:03:02   (  67.23,-120.95) 03/10/2021   20:01:56  (  67.26,-123.21)   97.55                66
 03/13/2021   09:48:21   ( -69.41,-149.92) 03/13/2021   09:49:28  ( -69.34,-147.75)   85.29                67
 03/13/2021   10:38:49   (  68.44,  18.71) 03/13/2021   10:39:09  (  68.45,  18.75)    1.95                20
 03/13/2021   11:29:29   ( -68.30,-173.79) 03/13/2021   11:28:39  ( -68.29,-173.80)    0.49                50