Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 9 16.  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)
 09/18/2020   10:39:27   (  68.38,  18.76) 09/18/2020   10:40:14  (  68.40,  18.78)    2.67                47
 09/18/2020   11:30:08   ( -68.24,-173.74) 09/18/2020   11:29:45  ( -68.24,-173.79)    2.07                23
 09/18/2020   12:20:35   (  67.20,  -5.16) 09/18/2020   12:19:28  (  67.23,  -7.29)   92.05                67
 09/21/2020   02:05:55   ( -69.35, -34.10) 09/21/2020   02:07:02  ( -69.26, -31.90)   86.78                67
 09/21/2020   02:56:22   (  68.33, 134.59) 09/21/2020   02:56:44  (  68.32, 134.56)    2.06                22
 09/21/2020   03:47:04   ( -68.23, -57.96) 09/21/2020   03:46:14  ( -68.21, -57.94)    2.61                50
 09/23/2020   18:22:34   ( -68.44,  82.91) 09/23/2020   18:23:45  ( -68.46,  82.96)    2.57                71
 09/23/2020   19:13:17   (  68.28,-109.57) 09/23/2020   19:13:13  (  68.28,-109.60)    1.51                 4
 09/23/2020   20:03:57   ( -68.07,  58.01) 09/23/2020   20:02:44  ( -68.13,  57.84)    9.17                73
 09/26/2020   10:39:29   ( -68.39,-161.25) 09/26/2020   10:40:15  ( -68.37,-161.27)    2.87                46
 09/26/2020   11:30:12   (  68.23,   6.27) 09/26/2020   11:29:42  (  68.24,   6.23)    2.18                30
 09/26/2020   12:20:36   ( -67.16, 174.89) 09/26/2020   12:19:29  ( -67.20, 172.67)   95.95                67
 09/29/2020   02:05:54   (  69.14, 146.19) 09/29/2020   02:07:02  (  69.03, 147.81)   65.44                68
 09/29/2020   02:56:23   ( -68.34, -45.42) 09/29/2020   02:56:43  ( -68.33, -45.43)    1.72                20
 09/29/2020   03:47:06   (  68.18, 122.10) 09/29/2020   03:46:10  (  68.20, 122.06)    2.71                56