Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2021 2 24.  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)
 02/25/2021   10:38:51   (  68.42,  18.72) 02/25/2021   10:39:18  (  68.44,  18.75)    1.92                27
 02/25/2021   11:29:32   ( -68.29,-173.79) 02/25/2021   11:28:49  ( -68.27,-173.81)    2.21                43
 02/28/2021   02:05:05   ( -68.72, -33.21) 02/28/2021   02:06:17  ( -68.64, -32.76)   19.93                72
 02/28/2021   02:55:45   (  68.38, 134.55) 02/28/2021   02:55:47  (  68.36, 134.54)    2.17                 2
 02/28/2021   03:46:26   ( -68.25, -57.96) 02/28/2021   03:45:17  ( -68.26, -57.95)    1.35                69
 03/02/2021   18:21:55   ( -68.47,  82.90) 03/02/2021   18:22:48  ( -68.46,  82.89)    1.16                53
 03/02/2021   19:12:39   (  68.34,-109.63) 03/02/2021   19:12:15  (  68.34,-109.61)    0.91                24
 03/02/2021   20:03:06   ( -67.45,  58.80) 03/02/2021   20:01:58  ( -67.51,  57.06)   74.07                68
 03/05/2021   09:48:25   (  69.48,  29.97) 03/05/2021   09:49:31  (  69.37,  32.28)   91.20                66
 03/05/2021   10:38:49   ( -68.43,-161.27) 03/05/2021   10:39:16  ( -68.43,-161.27)    0.55                27
 03/05/2021   11:29:33   (  68.31,   6.19) 03/05/2021   11:28:43  (  68.31,   6.23)    1.85                50
 03/08/2021   02:05:01   (  68.53, 147.04) 03/08/2021   02:06:12  (  68.55, 147.13)    4.10                71
 03/08/2021   02:55:42   ( -68.39, -45.46) 03/08/2021   02:55:43  ( -68.40, -45.43)    1.50                 1
 03/08/2021   03:46:24   (  68.16, 122.15) 03/08/2021   03:45:11  (  68.22, 122.01)    8.52                73
 03/10/2021   18:21:54   (  68.45, -97.07) 03/10/2021   18:22:41  (  68.46, -97.11)    1.77                47
 03/10/2021   19:12:36   ( -68.36,  70.36) 03/10/2021   19:12:11  ( -68.36,  70.41)    1.97                25
 03/10/2021   20:03:01   (  67.21,-120.92) 03/10/2021   20:01:55  (  67.28,-123.19)   97.73                66