Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2018 10 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)
 10/26/2018   02:56:37   ( -68.50, -45.56) 10/26/2018   02:57:37  ( -68.49, -45.51)    2.24                60
 10/26/2018   03:47:20   (  68.30, 121.99) 10/26/2018   03:47:05  (  68.32, 121.93)    3.11                15
 10/26/2018   04:37:53   ( -67.75, -69.99) 10/26/2018   04:36:42  ( -67.83, -71.02)   43.88                71
 10/28/2018   19:13:30   ( -68.41,  70.32) 10/28/2018   19:14:06  ( -68.40,  70.26)    2.54                36
 10/28/2018   20:04:14   (  68.27,-122.20) 10/28/2018   20:03:33  (  68.28,-122.24)    1.53                41
 10/31/2018   10:39:49   (  68.83,  18.21) 10/31/2018   10:41:00  (  68.69,  18.87)   30.86                71
 10/31/2018   11:30:24   ( -68.38,-173.88) 10/31/2018   11:30:34  ( -68.37,-173.89)    0.95                10
 10/31/2018   12:21:07   (  68.25,  -6.40) 10/31/2018   12:20:00  (  68.25,  -6.39)    0.29                67
 11/03/2018   02:56:35   (  68.43, 134.51) 11/03/2018   02:57:31  (  68.45, 134.45)    3.00                56
 11/03/2018   03:47:17   ( -68.35, -58.07) 11/03/2018   03:47:01  ( -68.36, -58.03)    1.91                16
 11/03/2018   04:37:48   (  67.52, 110.27) 11/03/2018   04:36:39  (  67.61, 108.75)   65.19                69
 11/05/2018   19:13:29   (  68.41,-109.70) 11/05/2018   19:14:00  (  68.39,-109.74)    3.15                31
 11/05/2018   20:04:10   ( -68.27,  57.80) 11/05/2018   20:03:30  ( -68.30,  57.78)    2.65                40