Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2022 12 15.  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)
 12/18/2022   06:33:22   ( -70.18,-101.94) 12/18/2022   06:34:06  ( -70.17,-101.88)    2.64                44
 12/18/2022   07:24:06   (  70.06,  65.56) 12/18/2022   07:23:33  (  70.07,  65.62)    2.74                33
 12/20/2022   21:59:48   (  70.76,-154.42) 12/20/2022   22:00:57  (  70.67,-152.90)   56.60                69
 12/20/2022   22:50:20   ( -70.14,  13.88) 12/20/2022   22:50:35  ( -70.12,  13.93)    3.11                15
 12/20/2022   23:41:04   (  70.02,-178.63) 12/20/2022   23:40:02  (  70.01,-178.58)    2.02                62
 12/23/2022   14:16:36   (  70.20, -37.77) 12/23/2022   14:17:33  (  70.20, -37.70)    2.57                57
 12/23/2022   15:07:17   ( -70.06, 129.78) 12/23/2022   15:07:04  ( -70.04, 129.71)    3.04                13
 12/23/2022   15:57:50   (  69.35, -61.88) 12/23/2022   15:56:41  (  69.38, -63.56)   65.93                69
 12/26/2022   06:33:33   (  70.13,  78.12) 12/26/2022   06:34:02  (  70.10,  78.04)    3.61                29
 12/26/2022   07:24:14   ( -70.03,-114.42) 12/26/2022   07:23:30  ( -70.06,-114.39)    3.04                44
 12/28/2022   21:59:48   ( -70.32,  26.26) 12/28/2022   22:01:00  ( -70.26,  26.52)   11.72                72
 12/28/2022   22:50:30   (  70.11,-166.09) 12/28/2022   22:50:28  (  70.09,-166.08)    1.98                 2
 12/28/2022   23:41:11   ( -69.96,   1.45) 12/28/2022   23:39:58  ( -69.99,   1.41)    4.11                73