Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2021 12 15.  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)
 12/16/2021   13:52:41   (  70.52, -31.08) 12/16/2021   13:51:30  (  70.59, -32.12)   39.33                71
 12/16/2021   14:42:17   ( -70.08, 135.91) 12/16/2021   14:42:04  ( -70.09, 135.98)    3.42                13
 12/16/2021   15:31:44   (  69.97, -56.59) 12/16/2021   15:32:48  (  69.97, -56.52)    2.69                64
 12/19/2021   06:09:15   (  70.16,  84.28) 12/19/2021   06:08:13  (  70.17,  84.33)    2.33                62
 12/19/2021   06:58:44   ( -70.11,-108.16) 12/19/2021   06:58:55  ( -70.09,-108.23)    2.96                11
 12/19/2021   07:48:21   (  69.45,  58.57) 12/19/2021   07:49:30  (  69.49,  59.96)   54.59                69
 12/21/2021   22:25:44   (  70.13,-159.89) 12/21/2021   22:25:04  (  70.12,-159.82)    2.72                40
 12/21/2021   23:15:14   ( -70.02,   7.60) 12/21/2021   23:15:46  ( -70.04,   7.63)    2.45                32
 12/24/2021   13:52:33   ( -70.91, 149.51) 12/24/2021   13:51:25  ( -70.92, 147.38)   77.61                68
 12/24/2021   14:42:12   (  70.14, -43.98) 12/24/2021   14:41:56  (  70.13, -44.04)    2.76                16
 12/24/2021   15:31:43   ( -69.98, 123.43) 12/24/2021   15:32:37  ( -69.99, 123.49)    2.39                54
 12/27/2021   06:09:14   ( -70.21, -95.65) 12/27/2021   06:08:03  ( -70.19, -95.67)    2.37                71
 12/27/2021   06:58:41   (  70.10,  71.84) 12/27/2021   06:58:47  (  70.08,  71.81)    1.98                 6
 12/27/2021   07:48:14   ( -69.83,-120.90) 12/27/2021   07:49:26  ( -69.83,-120.50)   15.46                72