Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2022 4 25.  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)
 04/26/2022   06:08:28   (  70.96,  85.52) 04/26/2022   06:07:21  (  71.00,  83.15)   86.17                67
 04/26/2022   06:58:11   ( -70.14,-108.08) 04/26/2022   06:57:48  ( -70.13,-108.14)    2.44                23
 04/26/2022   07:47:39   (  69.98,  59.34) 04/26/2022   07:48:32  (  70.00,  59.36)    2.88                53
 04/28/2022   22:25:09   (  70.17,-159.78) 04/28/2022   22:23:58  (  70.18,-159.76)    1.89                71
 04/28/2022   23:14:39   ( -70.05,   7.69) 04/28/2022   23:14:39  ( -70.04,   7.77)    3.18                 0
 04/29/2022   00:04:09   (  69.78, 174.96) 04/29/2022   00:05:20  (  69.76, 175.49)   20.80                71
 05/01/2022   14:41:36   (  70.17, -43.88) 05/01/2022   14:40:51  (  70.16, -43.95)    3.07                45
 05/01/2022   15:31:07   ( -70.01, 123.52) 05/01/2022   15:31:32  ( -70.02, 123.59)    2.61                25
 05/04/2022   06:08:22   ( -71.04, -94.33) 05/04/2022   06:07:16  ( -71.09, -96.98)   95.97                66
 05/04/2022   06:58:04   (  70.11,  71.92) 05/04/2022   06:57:43  (  70.09,  71.94)    2.52                21
 05/04/2022   07:47:34   ( -70.00,-120.59) 05/04/2022   07:48:25  ( -70.00,-120.60)    0.96                51
 05/06/2022   22:25:04   ( -70.20,  20.30) 05/06/2022   22:23:52  ( -70.18,  20.26)    2.50                72
 05/06/2022   23:14:31   (  70.09,-172.21) 05/06/2022   23:14:36  (  70.08,-172.26)    2.24                 5
 05/07/2022   00:04:02   ( -69.87,  -4.88) 05/07/2022   00:05:15  ( -69.88,  -4.64)    9.15                73