Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2022 12 10.  Predictions up to the next  14.0 days:

     Date     Time(NPP) NPP Lat/Lon Date Time(LANDSAT-9) LANDSAT-9 Lat/Lon    Distance(km)  Time Diff(sec)
 12/10/2022   06:33:12   (  70.15,  78.13) 12/10/2022   06:34:06  (  70.17,  78.12)    2.18                54
 12/10/2022   07:23:54   ( -70.07,-114.43) 12/10/2022   07:23:36  ( -70.06,-114.41)    1.76                18
 12/10/2022   08:14:24   (  69.20,  54.16) 12/10/2022   08:13:16  (  69.24,  52.12)   80.42                68
 12/12/2022   22:50:11   (  70.15,-166.10) 12/12/2022   22:50:36  (  70.13,-166.06)    2.72                25
 12/12/2022   23:40:52   ( -70.01,   1.43) 12/12/2022   23:40:06  ( -70.01,   1.41)    0.85                46
 12/15/2022   14:16:25   ( -70.27, 142.16) 12/15/2022   14:17:37  ( -70.22, 142.31)    7.58                72
 12/15/2022   15:07:08   (  70.09, -50.26) 12/15/2022   15:07:04  (  70.12, -50.20)    3.51                 4
 12/15/2022   15:57:48   ( -69.90, 117.35) 12/15/2022   15:56:35  ( -69.95, 117.21)    8.08                73
 12/18/2022   06:33:22   ( -70.16,-101.92) 12/18/2022   06:34:07  ( -70.14,-101.92)    2.80                45
 12/18/2022   07:24:06   (  70.05,  65.57) 12/18/2022   07:23:34  (  70.03,  65.56)    1.94                32
 12/20/2022   21:59:49   (  70.79,-154.48) 12/20/2022   22:00:57  (  70.69,-152.87)   60.19                68
 12/20/2022   22:50:20   ( -70.12,  13.91) 12/20/2022   22:50:36  ( -70.09,  13.89)    3.39                16
 12/20/2022   23:41:04   (  70.00,-178.60) 12/20/2022   23:40:03  (  69.98,-178.63)    3.30                61
 12/23/2022   14:16:36   (  70.18, -37.73) 12/23/2022   14:17:34  (  70.18, -37.74)    0.45                58
 12/23/2022   15:07:18   ( -70.08, 129.74) 12/23/2022   15:07:04  ( -70.08, 129.75)    0.86                14
 12/23/2022   15:57:50   (  69.33, -61.85) 12/23/2022   15:56:41  (  69.41, -63.52)   66.15                69