Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 11 23.  Predictions up to the next  14.0 days:

     Date     Time(LANDSAT-8) LANDSAT-8 Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/24/2017   22:25:35   (  70.18,-159.81) 11/24/2017   22:24:27  (  70.16,-159.84)    1.72                68
 11/24/2017   23:15:05   ( -70.06,   7.66) 11/24/2017   23:15:09  ( -70.07,   7.62)    1.85                 4
 11/25/2017   00:04:37   (  69.68, 174.78) 11/25/2017   00:05:48  (  69.69, 175.49)   27.60                71
 11/27/2017   14:42:04   (  70.11, -44.03) 11/27/2017   14:41:20  (  70.09, -43.96)    2.95                44
 11/27/2017   15:31:34   ( -70.00, 123.45) 11/27/2017   15:32:02  ( -69.99, 123.50)    2.04                28
 11/30/2017   06:08:52   ( -70.90, -94.60) 11/30/2017   06:07:44  ( -70.91, -96.81)   80.25                68
 11/30/2017   06:58:32   (  70.09,  71.83) 11/30/2017   06:58:14  (  70.08,  71.83)    1.11                18
 11/30/2017   07:48:02   ( -69.98,-120.69) 11/30/2017   07:48:56  ( -69.97,-120.69)    0.56                54
 12/02/2017   22:25:33   ( -70.17,  20.19) 12/02/2017   22:24:24  ( -70.16,  20.16)    1.55                69
 12/02/2017   23:15:00   (  70.06,-172.32) 12/02/2017   23:15:08  (  70.06,-172.37)    2.00                 8
 12/03/2017   00:04:34   ( -69.74,  -5.14) 12/03/2017   00:05:46  ( -69.75,  -4.58)   21.53                72
 12/05/2017   14:42:00   ( -70.14, 136.03) 12/05/2017   14:41:17  ( -70.15, 135.96)    3.03                43
 12/05/2017   15:31:27   (  70.03, -56.48) 12/05/2017   15:32:00  (  70.00, -56.51)    2.94                33