Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2022 12 23.  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)
 12/23/2022   14:16:35   (  70.17, -37.72) 12/23/2022   14:17:33  (  70.18, -37.74)    1.09                58
 12/23/2022   15:07:17   ( -70.09, 129.73) 12/23/2022   15:07:03  ( -70.06, 129.73)    2.67                14
 12/23/2022   15:57:49   (  69.32, -61.84) 12/23/2022   15:56:40  (  69.41, -63.53)   66.93                69
 12/26/2022   06:33:33   (  70.15,  78.08) 12/26/2022   06:34:01  (  70.13,  78.08)    1.95                28
 12/26/2022   07:24:14   ( -70.01,-114.38) 12/26/2022   07:23:31  ( -70.02,-114.45)    2.70                43
 12/28/2022   21:59:48   ( -70.30,  26.30) 12/28/2022   22:01:00  ( -70.28,  26.54)    9.23                72
 12/28/2022   22:50:31   (  70.13,-166.13) 12/28/2022   22:50:28  (  70.12,-166.05)    3.20                 3
 12/28/2022   23:41:12   ( -69.98,   1.41) 12/28/2022   23:39:58  ( -70.01,   1.43)    2.65                74
 12/31/2022   14:16:43   ( -70.18, 142.25) 12/31/2022   14:17:27  ( -70.20, 142.31)    2.81                44
 12/31/2022   15:07:27   (  70.07, -50.26) 12/31/2022   15:06:54  (  70.08, -50.21)    2.82                33
 01/03/2023   05:43:08   (  70.74,  89.80) 01/03/2023   05:44:17  (  70.63,  91.21)   53.29                69
 01/03/2023   06:33:40   ( -70.12,-101.89) 01/03/2023   06:33:54  ( -70.15,-101.87)    2.99                14
 01/03/2023   07:24:24   (  70.01,  65.59) 01/03/2023   07:23:21  (  70.03,  65.61)    2.34                63
 01/05/2023   21:59:55   (  70.17,-153.51) 01/05/2023   22:00:51  (  70.17,-153.57)    2.27                56
 01/05/2023   22:50:37   ( -70.07,  13.96) 01/05/2023   22:50:21  ( -70.07,  13.92)    1.83                16
 01/05/2023   23:41:08   (  69.27,-177.56) 01/05/2023   23:40:00  (  69.29,-179.51)   76.71                68