Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 11 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)
 11/24/2020   02:55:53   (  68.39, 134.60) 11/24/2020   02:56:34  (  68.42, 134.63)    3.38                41
 11/24/2020   03:46:34   ( -68.27, -57.93) 11/24/2020   03:46:05  ( -68.26, -57.93)    1.72                29
 11/26/2020   18:22:16   ( -69.26,  81.89) 11/26/2020   18:23:24  ( -69.15,  83.78)   75.60                68
 11/26/2020   19:12:46   (  68.38,-109.61) 11/26/2020   19:13:03  (  68.37,-109.55)    2.90                17
 11/26/2020   20:03:26   ( -68.20,  57.94) 11/26/2020   20:02:34  ( -68.21,  57.89)    2.01                52
 11/29/2020   10:38:54   ( -68.45,-161.23) 11/29/2020   10:40:05  ( -68.43,-161.24)    1.95                71
 11/29/2020   11:29:38   (  68.32,   6.25) 11/29/2020   11:29:32  (  68.31,   6.27)    0.88                 6
 11/29/2020   12:20:17   ( -68.08, 173.87) 11/29/2020   12:19:04  ( -68.10, 173.65)    9.42                73
 12/02/2020   02:55:46   ( -68.38, -45.37) 12/02/2020   02:56:34  ( -68.37, -45.43)    2.81                48
 12/02/2020   03:46:30   (  68.26, 122.10) 12/02/2020   03:46:01  (  68.25, 122.07)    1.29                29
 12/02/2020   04:36:54   ( -67.21, -69.30) 12/02/2020   04:35:47  ( -67.26, -71.43)   91.93                67
 12/04/2020   18:22:11   (  69.26, -98.10) 12/04/2020   18:23:19  (  69.13, -96.24)   75.04                68
 12/04/2020   19:12:38   ( -68.38,  70.42) 12/04/2020   19:13:01  ( -68.36,  70.44)    2.03                23
 12/04/2020   20:03:22   (  68.25,-122.12) 12/04/2020   20:02:28  (  68.24,-122.06)    2.76                54
 12/07/2020   10:38:49   (  68.46,  18.77) 12/07/2020   10:39:59  (  68.44,  18.78)    2.07                70
 12/07/2020   11:29:30   ( -68.32,-173.73) 12/07/2020   11:29:29  ( -68.34,-173.70)    3.07                 1
 12/07/2020   12:20:11   (  68.03,  -6.07) 12/07/2020   12:18:58  (  68.10,  -6.34)   13.77                73