Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 1 17.  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)
 01/19/2020   19:12:28   ( -68.39,  70.40) 01/19/2020   19:13:09  ( -68.38,  70.43)    2.16                41
 01/19/2020   20:03:11   (  68.22,-122.07) 01/19/2020   20:02:37  (  68.22,-122.12)    2.01                34
 01/22/2020   10:38:53   (  69.24,  17.72) 01/22/2020   10:40:01  (  69.09,  19.55)   74.17                68
 01/22/2020   11:29:20   ( -68.34,-173.75) 01/22/2020   11:29:43  ( -68.32,-173.78)    2.88                23
 01/22/2020   12:20:04   (  68.23,  -6.30) 01/22/2020   12:19:10  (  68.21,  -6.26)    2.48                54
 01/25/2020   02:55:33   (  68.55, 134.44) 01/25/2020   02:56:44  (  68.52, 134.70)   11.09                71
 01/25/2020   03:46:12   ( -68.29, -57.91) 01/25/2020   03:46:16  ( -68.31, -57.93)    1.98                 4
 01/25/2020   04:36:56   (  68.18, 109.54) 01/25/2020   04:35:43  (  68.20, 109.59)    2.61                73
 01/27/2020   19:12:22   (  68.40,-109.59) 01/27/2020   19:13:18  (  68.40,-109.59)    0.64                56
 01/27/2020   20:03:04   ( -68.30,  57.86) 01/27/2020   20:02:48  ( -68.30,  57.92)    2.58                16
 01/27/2020   20:53:35   (  67.49,-133.83) 01/27/2020   20:52:26  (  67.56,-135.28)   62.49                69
 01/30/2020   11:29:14   (  68.36,   6.25) 01/30/2020   11:29:51  (  68.37,   6.24)    1.44                37
 01/30/2020   12:19:55   ( -68.20, 173.76) 01/30/2020   12:19:22  ( -68.22, 173.69)    3.37                33