Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 11 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)
 11/18/2020   18:22:20   (  69.06, -97.84) 11/18/2020   18:23:29  (  68.96, -96.45)   56.28                69
 11/18/2020   19:12:50   ( -68.34,  70.43) 11/18/2020   19:13:08  ( -68.35,  70.43)    0.84                18
 11/18/2020   20:03:34   (  68.21,-122.08) 11/18/2020   20:02:36  (  68.18,-122.13)    3.12                58
 11/21/2020   10:39:01   (  68.45,  18.75) 11/21/2020   10:40:06  (  68.42,  18.76)    2.82                65
 11/21/2020   11:29:42   ( -68.32,-173.76) 11/21/2020   11:29:36  ( -68.32,-173.73)    1.34                 6
 11/21/2020   12:20:20   (  67.86,  -5.88) 11/21/2020   12:19:08  (  67.92,  -6.55)   28.99                72
 11/24/2020   02:55:53   (  68.38, 134.62) 11/24/2020   02:56:35  (  68.38, 134.59)    1.28                42
 11/24/2020   03:46:34   ( -68.25, -57.90) 11/24/2020   03:46:05  ( -68.28, -57.90)    3.33                29
 11/26/2020   18:22:16   ( -69.24,  81.93) 11/26/2020   18:23:24  ( -69.17,  83.81)   74.91                68
 11/26/2020   19:12:46   (  68.36,-109.59) 11/26/2020   19:13:04  (  68.33,-109.59)    3.58                18
 11/26/2020   20:03:27   ( -68.23,  57.90) 11/26/2020   20:02:34  ( -68.23,  57.92)    1.00                53
 11/29/2020   10:38:55   ( -68.48,-161.27) 11/29/2020   10:40:05  ( -68.46,-161.21)    3.50                70
 11/29/2020   11:29:38   (  68.30,   6.27) 11/29/2020   11:29:33  (  68.28,   6.23)    3.07                 5
 11/29/2020   12:20:17   ( -68.06, 173.90) 11/29/2020   12:19:04  ( -68.12, 173.68)   11.88                73