Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2021 4 29.  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)
 05/01/2021   06:57:55   (  70.18,  71.86) 05/01/2021   06:56:59  (  70.16,  71.86)    1.75                56
 05/01/2021   07:47:25   ( -70.06,-120.66) 05/01/2021   07:47:41  ( -70.07,-120.69)    1.50                16
 05/01/2021   08:37:05   (  69.24,  45.86) 05/01/2021   08:38:12  (  69.27,  47.81)   76.65                67
 05/03/2021   23:14:22   (  70.13,-172.32) 05/03/2021   23:13:51  (  70.13,-172.31)    0.46                31
 05/04/2021   00:03:52   ( -70.03,  -4.84) 05/04/2021   00:04:33  ( -70.04,  -4.86)    1.70                41
 05/06/2021   14:41:18   ( -70.47, 136.41) 05/06/2021   14:40:06  ( -70.52, 135.54)   32.79                72
 05/06/2021   15:30:50   (  70.09, -56.51) 05/06/2021   15:30:44  (  70.10, -56.49)    1.88                 6
 05/06/2021   16:20:20   ( -69.98, 110.98) 05/06/2021   16:21:26  ( -70.01, 110.97)    2.99                66
 05/09/2021   06:57:50   ( -70.20,-108.11) 05/09/2021   06:56:53  ( -70.18,-108.14)    2.73                57
 05/09/2021   07:47:17   (  70.09,  59.38) 05/09/2021   07:47:37  (  70.08,  59.33)    2.24                20
 05/09/2021   08:36:59   ( -69.32,-134.03) 05/09/2021   08:38:07  ( -69.34,-132.27)   69.06                68
 05/11/2021   23:14:18   ( -70.15,   7.69) 05/11/2021   23:13:46  ( -70.15,   7.68)    1.20                32
 05/12/2021   00:03:45   (  70.03, 175.17) 05/12/2021   00:04:30  (  70.06, 175.14)    3.30                45