Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2023 12 18.  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)
 12/19/2023   22:25:34   ( -70.45,  20.55) 12/19/2023   22:24:22  ( -70.47,  19.80)   28.33                72
 12/19/2023   23:15:06   (  70.07,-172.35) 12/19/2023   23:15:01  (  70.09,-172.31)    2.42                 5
 12/20/2023   00:04:35   ( -70.02,  -4.79) 12/20/2023   00:05:43  ( -70.00,  -4.86)    3.09                68
 12/22/2023   14:42:08   ( -70.19, 136.06) 12/22/2023   14:41:09  ( -70.18, 136.02)    1.93                59
 12/22/2023   15:31:35   (  70.08, -56.45) 12/22/2023   15:31:53  (  70.07, -56.50)    2.44                18
 12/22/2023   16:21:14   ( -69.43, 110.28) 12/22/2023   16:22:23  ( -69.40, 111.81)   59.76                69
 12/25/2023   06:58:37   ( -70.13,-108.16) 12/25/2023   06:57:59  ( -70.12,-108.10)    2.16                38
 12/25/2023   07:48:04   (  70.01,  59.33) 12/25/2023   07:48:43  (  70.01,  59.37)    1.48                39
 12/27/2023   22:25:28   (  70.62,-159.18) 12/27/2023   22:24:18  (  70.69,-160.54)   50.72                70
 12/27/2023   23:15:05   ( -70.14,   7.74) 12/27/2023   23:14:51  ( -70.12,   7.68)    2.96                14
 12/28/2023   00:04:32   (  70.02, 175.22) 12/28/2023   00:05:35  (  70.02, 175.15)    2.90                63
 12/30/2023   14:42:04   (  70.16, -43.97) 12/30/2023   14:41:00  (  70.18, -43.94)    2.12                64
 12/30/2023   15:31:34   ( -70.06, 123.52) 12/30/2023   15:31:42  ( -70.07, 123.54)    1.43                 8
 12/30/2023   16:21:08   (  69.56, -69.53) 12/30/2023   16:22:18  (  69.55, -68.38)   44.89                70