Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 11 21.  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)
 11/21/2020   10:39:01   (  68.41,  18.81) 11/21/2020   10:40:07  (  68.41,  18.74)    2.61                66
 11/21/2020   11:29:42   ( -68.28,-173.72) 11/21/2020   11:29:37  ( -68.30,-173.76)    2.45                 5
 11/21/2020   12:20:21   (  67.88,  -5.90) 11/21/2020   12:19:09  (  67.91,  -6.57)   28.50                72
 11/24/2020   02:55:53   (  68.39, 134.60) 11/24/2020   02:56:35  (  68.37, 134.57)    2.89                42
 11/24/2020   03:46:34   ( -68.26, -57.92) 11/24/2020   03:46:05  ( -68.26, -57.92)    0.41                29
 11/26/2020   18:22:16   ( -69.25,  81.90) 11/26/2020   18:23:24  ( -69.16,  83.79)   75.38                68
 11/26/2020   19:12:46   (  68.38,-109.61) 11/26/2020   19:13:03  (  68.37,-109.54)    2.71                17
 11/26/2020   20:03:26   ( -68.19,  57.95) 11/26/2020   20:02:34  ( -68.22,  57.90)    3.00                52
 11/29/2020   10:38:54   ( -68.44,-161.22) 11/29/2020   10:40:05  ( -68.44,-161.23)    0.26                71
 11/29/2020   11:29:38   (  68.31,   6.25) 11/29/2020   11:29:32  (  68.32,   6.27)    1.21                 6
 11/29/2020   12:20:17   ( -68.07, 173.88) 11/29/2020   12:19:04  ( -68.11, 173.66)    9.87                73
 12/02/2020   02:55:46   ( -68.38, -45.36) 12/02/2020   02:56:34  ( -68.38, -45.42)    2.24                48
 12/02/2020   03:46:30   (  68.25, 122.11) 12/02/2020   03:46:01  (  68.26, 122.08)    1.22                29
 12/02/2020   04:36:54   ( -67.20, -69.29) 12/02/2020   04:35:47  ( -67.27, -71.42)   91.82                67
 12/04/2020   18:22:11   (  69.26, -98.09) 12/04/2020   18:23:19  (  69.14, -96.22)   75.17                68
 12/04/2020   19:12:38   ( -68.37,  70.42) 12/04/2020   19:13:01  ( -68.37,  70.46)    1.45                23
 12/04/2020   20:03:22   (  68.25,-122.11) 12/04/2020   20:02:28  (  68.25,-122.05)    2.74                54