Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2021 2 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)
 02/01/2021   10:38:52   ( -68.42,-161.26) 02/01/2021   10:39:37  ( -68.41,-161.28)    0.90                45
 02/01/2021   11:29:36   (  68.30,   6.20) 02/01/2021   11:29:04  (  68.30,   6.23)    1.41                32
 02/04/2021   02:05:17   (  69.14, 146.22) 02/04/2021   02:06:25  (  69.04, 147.74)   61.78                68
 02/04/2021   02:55:46   ( -68.35, -45.41) 02/04/2021   02:56:05  ( -68.37, -45.45)    2.82                19
 02/04/2021   03:46:30   (  68.24, 122.05) 02/04/2021   03:45:32  (  68.26, 122.06)    2.57                58
 02/06/2021   18:21:58   (  68.44, -97.07) 02/06/2021   18:23:02  (  68.43, -97.13)    2.67                64
 02/06/2021   19:12:40   ( -68.34,  70.37) 02/06/2021   19:12:32  ( -68.33,  70.38)    1.89                 8
 02/06/2021   20:03:16   (  67.80,-121.63) 02/06/2021   20:02:05  (  67.87,-122.51)   37.81                71
 02/09/2021   10:38:53   (  68.44,  18.71) 02/09/2021   10:39:29  (  68.43,  18.76)    2.02                36
 02/09/2021   11:29:34   ( -68.29,-173.78) 02/09/2021   11:29:00  ( -68.28,-173.80)    1.24                34
 02/12/2021   02:05:13   ( -69.03, -33.62) 02/12/2021   02:06:23  ( -68.89, -32.45)   49.28                70
 02/12/2021   02:55:47   (  68.38, 134.55) 02/12/2021   02:55:57  (  68.37, 134.57)    1.20                10
 02/12/2021   03:46:28   ( -68.23, -57.94) 02/12/2021   03:45:28  ( -68.22, -57.98)    2.13                60
 02/14/2021   18:21:57   ( -68.44,  82.94) 02/14/2021   18:22:58  ( -68.44,  82.88)    2.44                61
 02/14/2021   19:12:41   (  68.33,-109.61) 02/14/2021   19:12:25  (  68.31,-109.63)    2.37                16
 02/14/2021   20:03:14   ( -67.75,  58.44) 02/14/2021   20:02:03  ( -67.77,  57.37)   44.98                71