Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 9 23.  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)
 09/23/2020   19:13:17   (  68.28,-109.57) 09/23/2020   19:13:15  (  68.28,-109.62)    2.15                 2
 09/23/2020   20:03:58   ( -68.13,  57.93) 09/23/2020   20:02:45  ( -68.17,  57.89)    4.67                73
 09/26/2020   10:39:29   ( -68.40,-161.26) 09/26/2020   10:40:17  ( -68.40,-161.24)    0.91                48
 09/26/2020   11:30:12   (  68.23,   6.27) 09/26/2020   11:29:45  (  68.23,   6.20)    2.63                27
 09/26/2020   12:20:37   ( -67.22, 174.82) 09/26/2020   12:19:30  ( -67.29, 172.75)   89.08                67
 09/29/2020   02:05:56   (  69.25, 146.04) 09/29/2020   02:07:04  (  69.12, 147.90)   75.24                68
 09/29/2020   02:56:23   ( -68.36, -45.43) 09/29/2020   02:56:46  ( -68.35, -45.43)    1.03                23
 09/29/2020   03:47:07   (  68.24, 122.02) 09/29/2020   03:46:13  (  68.23, 122.08)    2.46                54
 10/01/2020   18:22:37   (  68.46, -97.12) 10/01/2020   18:23:45  (  68.44, -97.07)    3.11                68
 10/01/2020   19:13:18   ( -68.31,  70.40) 10/01/2020   19:13:16  ( -68.29,  70.38)    2.91                 2
 10/01/2020   20:03:58   (  67.98,-121.88) 10/01/2020   20:02:45  (  68.06,-122.25)   17.47                73
 10/04/2020   10:39:31   (  68.37,  18.78) 10/04/2020   10:40:15  (  68.37,  18.73)    2.01                44
 10/04/2020   11:30:13   ( -68.27,-173.78) 10/04/2020   11:29:45  ( -68.28,-173.76)    1.03                28
 10/07/2020   02:05:57   ( -69.24, -33.94) 10/07/2020   02:07:05  ( -69.14, -32.08)   74.32                68
 10/07/2020   02:56:26   (  68.33, 134.60) 10/07/2020   02:56:44  (  68.35, 134.58)    1.97                18
 10/07/2020   03:47:08   ( -68.23, -57.96) 10/07/2020   03:46:15  ( -68.20, -57.97)    3.41                53