Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 12 21.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-20) NOAA-20 Lat/Lon Date Time(LANDSAT-8) LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 12/23/2021   07:22:25   (  70.09,  65.58) 12/23/2021   07:23:25  (  70.10,  65.65)    2.65                60
 12/23/2021   08:13:06   ( -69.95,-126.90) 12/23/2021   08:12:56  ( -69.93,-126.95)    3.45                10
 12/23/2021   09:03:41   (  69.35,  41.29) 12/23/2021   09:02:31  (  69.38,  39.94)   52.99                70
 12/25/2021   23:39:17   (  70.06,-178.59) 12/25/2021   23:39:54  (  70.04,-178.55)    2.94                37
 12/26/2021   00:29:58   ( -69.92, -11.07) 12/26/2021   00:29:24  ( -69.93, -11.07)    0.45                34
 12/28/2021   15:05:37   ( -70.78, 128.74) 12/28/2021   15:06:45  ( -70.68, 130.62)   70.15                68
 12/28/2021   15:56:08   (  69.98, -62.69) 12/28/2021   15:56:23  (  69.97, -62.77)    3.43                15
 12/28/2021   16:46:50   ( -69.90, 104.75) 12/28/2021   16:45:52  ( -69.92, 104.79)    2.41                58
 12/31/2021   07:22:15   ( -70.08,-114.36) 12/31/2021   07:23:23  ( -70.06,-114.40)    3.09                68
 12/31/2021   08:12:59   (  69.97,  53.12) 12/31/2021   08:12:50  (  69.94,  53.08)    2.96                 9
 12/31/2021   09:03:36   ( -69.61,-139.04) 12/31/2021   09:02:23  ( -69.67,-139.66)   24.93                73
 01/02/2022   23:39:07   ( -70.06,   1.46) 01/02/2022   23:39:50  ( -70.08,   1.51)    2.84                43
 01/03/2022   00:29:51   (  69.95, 168.93) 01/03/2022   00:29:17  (  69.96, 169.00)    2.75                34