Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2023 6 16.  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)
 06/16/2023   05:18:55   ( -70.35, -83.04) 06/16/2023   05:17:46  ( -70.36, -82.98)    2.50                69
 06/16/2023   06:08:22   (  70.25,  84.47) 06/16/2023   06:08:30  (  70.25,  84.51)    1.78                 8
 06/16/2023   06:57:56   ( -69.92,-108.38) 06/16/2023   06:59:07  ( -69.90,-107.64)   28.28                71
 06/18/2023   21:35:24   ( -70.33,  32.81) 06/18/2023   21:34:37  ( -70.36,  32.81)    3.18                47
 06/18/2023   22:24:51   (  70.23,-159.69) 06/18/2023   22:25:21  (  70.24,-159.71)    2.06                30
 06/21/2023   13:02:09   (  71.21, -17.58) 06/21/2023   13:01:03  (  71.29, -20.27)   96.35                66
 06/21/2023   13:51:54   ( -70.28, 148.63) 06/21/2023   13:51:28  ( -70.30, 148.67)    2.75                26
 06/21/2023   14:41:21   (  70.18, -43.87) 06/21/2023   14:42:12  (  70.19, -43.86)    1.94                51
 06/24/2023   05:18:52   (  70.43,  97.10) 06/24/2023   05:17:39  (  70.46,  96.89)    8.53                73
 06/24/2023   06:08:23   ( -70.27, -95.50) 06/24/2023   06:08:19  ( -70.26, -95.48)    1.45                 4
 06/24/2023   06:57:50   (  70.16,  71.99) 06/24/2023   06:59:03  (  70.15,  71.99)    1.31                73
 06/26/2023   21:35:22   (  70.34,-147.14) 06/26/2023   21:34:29  (  70.36,-147.19)    3.29                53
 06/26/2023   22:24:52   ( -70.23,  20.33) 06/26/2023   22:25:10  ( -70.22,  20.36)    2.10                18
 06/26/2023   23:14:33   (  69.35,-173.24) 06/26/2023   23:15:39  (  69.31,-171.00)   88.06                66
 06/29/2023   13:51:50   (  70.28, -31.34) 06/29/2023   13:51:18  (  70.28, -31.28)    2.41                32
 06/29/2023   14:41:20   ( -70.18, 136.14) 06/29/2023   14:42:00  ( -70.18, 136.19)    1.92                40