Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 4 18.  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)
 04/19/2020   10:39:11   ( -69.10,-162.21) 04/19/2020   10:40:20  ( -68.96,-160.62)   65.38                69
 04/19/2020   11:29:42   (  68.28,   6.19) 04/19/2020   11:29:57  (  68.29,   6.20)    1.41                15
 04/19/2020   12:20:23   ( -68.15, 173.68) 04/19/2020   12:19:28  ( -68.13, 173.64)    2.74                55
 04/22/2020   02:55:51   ( -68.34, -45.42) 04/22/2020   02:56:57  ( -68.36, -45.48)    2.84                66
 04/22/2020   03:46:35   (  68.22, 122.05) 04/22/2020   03:46:24  (  68.24, 122.03)    2.65                11
 04/22/2020   04:37:11   ( -67.81, -70.12) 04/22/2020   04:35:59  ( -67.86, -70.79)   28.43                72
 04/24/2020   19:12:46   ( -68.33,  70.37) 04/24/2020   19:13:25  ( -68.30,  70.35)    3.00                39
 04/24/2020   20:03:30   (  68.21,-122.17) 04/24/2020   20:02:52  (  68.19,-122.15)    2.82                38
 04/27/2020   10:39:06   (  68.79,  18.22) 04/27/2020   10:40:17  (  68.69,  19.07)   36.31                71
 04/27/2020   11:29:40   ( -68.27,-173.78) 04/27/2020   11:29:53  ( -68.25,-173.83)    2.60                13
 04/27/2020   12:20:24   (  68.15,  -6.32) 04/27/2020   12:19:20  (  68.13,  -6.32)    2.18                64
 04/30/2020   02:55:53   (  68.35, 134.56) 04/30/2020   02:56:50  (  68.35, 134.55)    0.68                57
 04/30/2020   03:46:35   ( -68.26, -58.00) 04/30/2020   03:46:20  ( -68.25, -57.94)    2.51                15
 04/30/2020   04:37:07   (  67.50, 110.26) 04/30/2020   04:35:57  (  67.57, 108.92)   57.56                70
 05/02/2020   19:12:46   (  68.30,-109.59) 05/02/2020   19:13:17  (  68.29,-109.63)    1.76                31
 05/02/2020   20:03:28   ( -68.20,  57.86) 05/02/2020   20:02:47  ( -68.19,  57.89)    1.29                41