Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 4 11.  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)
 04/12/2020   06:58:01   (  70.11,  71.78) 04/12/2020   06:57:30  (  70.14,  71.77)    3.02                31
 04/12/2020   07:47:31   ( -70.01,-120.74) 04/12/2020   07:48:11  ( -70.00,-120.70)    1.53                40
 04/14/2020   22:24:58   ( -70.48,  20.54) 04/14/2020   22:23:46  ( -70.50,  19.67)   32.59                72
 04/14/2020   23:14:30   (  70.10,-172.37) 04/14/2020   23:14:24  (  70.07,-172.35)    2.50                 6
 04/15/2020   00:04:00   ( -69.99,  -4.88) 04/15/2020   00:05:06  ( -69.98,  -4.90)    0.92                66
 04/17/2020   14:41:32   ( -70.15, 135.93) 04/17/2020   14:40:34  ( -70.17, 135.96)    3.08                58
 04/17/2020   15:30:59   (  70.03, -56.59) 04/17/2020   15:31:18  (  70.06, -56.56)    3.34                19
 04/17/2020   16:20:40   ( -69.33, 110.09) 04/17/2020   16:21:48  ( -69.33, 111.83)   68.35                68
 04/20/2020   06:58:01   ( -70.15,-108.19) 04/20/2020   06:57:29  ( -70.16,-108.25)    2.55                32
 04/20/2020   07:47:28   (  70.04,  59.29) 04/20/2020   07:48:13  (  70.05,  59.22)    3.20                45
 04/22/2020   22:24:58   (  70.38,-159.63) 04/22/2020   22:23:46  (  70.46,-160.27)   25.86                72
 04/22/2020   23:14:31   ( -70.12,   7.63) 04/22/2020   23:14:23  ( -70.10,   7.62)    2.26                 8
 04/23/2020   00:03:58   (  70.00, 175.11) 04/23/2020   00:05:07  (  69.99, 175.08)    0.99                69