Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 5 21.  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)
 05/22/2019   22:25:03   (  70.16,-159.80) 05/22/2019   22:23:55  (  70.15,-159.80)    0.56                68
 05/22/2019   23:14:33   ( -70.06,   7.68) 05/22/2019   23:14:37  ( -70.06,   7.66)    0.84                 4
 05/23/2019   00:04:05   (  69.67, 174.79) 05/23/2019   00:05:16  (  69.68, 175.53)   28.83                71
 05/25/2019   14:41:34   (  70.13, -43.96) 05/25/2019   14:40:51  (  70.13, -43.99)    1.56                43
 05/25/2019   15:31:04   ( -70.04, 123.53) 05/25/2019   15:31:33  ( -70.03, 123.47)    2.40                29
 05/28/2019   06:08:25   ( -70.93, -94.54) 05/28/2019   06:07:18  ( -70.99, -96.93)   86.94                67
 05/28/2019   06:58:05   (  70.11,  71.88) 05/28/2019   06:57:47  (  70.10,  71.81)    2.56                18
 05/28/2019   07:47:36   ( -69.96,-120.70) 05/28/2019   07:48:28  ( -69.95,-120.64)    2.75                52
 05/30/2019   22:25:10   ( -70.14,  20.16) 05/30/2019   22:23:58  ( -70.13,  20.23)    2.96                72
 05/30/2019   23:14:37   (  70.02,-172.37) 05/30/2019   23:14:42  (  70.02,-172.30)    2.44                 5
 05/31/2019   00:04:09   ( -69.82,  -5.02) 05/31/2019   00:05:21  ( -69.76,  -4.59)   17.39                72
 06/02/2019   14:41:40   ( -70.10, 135.99) 06/02/2019   14:40:53  ( -70.10, 136.03)    1.70                47
 06/02/2019   15:31:07   (  69.98, -56.54) 06/02/2019   15:31:37  (  70.00, -56.50)    2.41                30