Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 11 19.  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)
 11/19/2018   22:25:22   ( -70.15,  20.15) 11/19/2018   22:24:23  ( -70.16,  20.21)    2.41                59
 11/19/2018   23:14:49   (  70.05,-172.35) 11/19/2018   23:15:07  (  70.03,-172.29)    2.88                18
 11/20/2018   00:04:29   ( -69.38,  -5.62) 11/20/2018   00:05:38  ( -69.37,  -4.00)   63.72                69
 11/22/2018   14:41:51   ( -70.15, 136.03) 11/22/2018   14:41:18  ( -70.14, 136.00)    1.27                33
 11/22/2018   15:31:18   (  70.04, -56.48) 11/22/2018   15:32:02  (  70.02, -56.50)    2.74                44
 11/25/2018   06:08:47   (  70.41,  84.66) 11/25/2018   06:07:35  (  70.43,  84.01)   24.47                72
 11/25/2018   06:58:21   ( -70.08,-108.18) 11/25/2018   06:58:12  ( -70.07,-108.13)    2.28                 9
 11/25/2018   07:47:48   (  69.98,  59.31) 11/25/2018   07:48:56  (  69.96,  59.36)    2.84                68
 11/27/2018   22:25:19   (  70.18,-159.80) 11/27/2018   22:24:24  (  70.15,-159.80)    2.63                55
 11/27/2018   23:14:49   ( -70.07,   7.69) 11/27/2018   23:15:06  ( -70.06,   7.66)    1.67                17
 11/28/2018   00:04:29   (  69.24, 174.20) 11/28/2018   00:05:36  (  69.20, 176.22)   79.72                67
 11/30/2018   14:41:49   (  70.10, -44.02) 11/30/2018   14:41:18  (  70.09, -43.94)    3.07                31
 11/30/2018   15:31:19   ( -70.00, 123.46) 11/30/2018   15:32:00  ( -70.00, 123.52)    2.11                41