Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2021 2 8.  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)
 02/09/2021   10:38:53   (  68.43,  18.72) 02/09/2021   10:39:29  (  68.44,  18.76)    2.47                36
 02/09/2021   11:29:34   ( -68.28,-173.78) 02/09/2021   11:29:00  ( -68.28,-173.80)    1.21                34
 02/12/2021   02:05:13   ( -69.02, -33.61) 02/12/2021   02:06:23  ( -68.89, -32.45)   48.78                70
 02/12/2021   02:55:47   (  68.37, 134.56) 02/12/2021   02:55:57  (  68.38, 134.57)    1.28                10
 02/12/2021   03:46:28   ( -68.22, -57.93) 02/12/2021   03:45:28  ( -68.22, -57.99)    2.34                60
 02/14/2021   18:21:58   ( -68.48,  82.88) 02/14/2021   18:22:57  ( -68.49,  82.94)    2.71                59
 02/14/2021   19:12:41   (  68.32,-109.60) 02/14/2021   19:12:25  (  68.31,-109.62)    1.19                16
 02/14/2021   20:03:14   ( -67.74,  58.45) 02/14/2021   20:02:03  ( -67.77,  57.37)   45.57                71
 02/17/2021   10:38:51   ( -68.43,-161.28) 02/17/2021   10:39:24  ( -68.42,-161.26)    1.33                33
 02/17/2021   11:29:35   (  68.32,   6.17) 02/17/2021   11:28:51  (  68.30,   6.24)    3.43                44
 02/20/2021   02:05:07   (  68.69, 146.83) 02/20/2021   02:06:19  (  68.61, 147.22)   18.31                72
 02/20/2021   02:55:45   ( -68.38, -45.44) 02/20/2021   02:55:51  ( -68.40, -45.40)    3.41                 6
 02/20/2021   03:46:28   (  68.21, 122.08) 02/20/2021   03:45:19  (  68.22, 122.03)    2.12                69