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(2020 HK6)
Classification: Apollo [NEO]          SPK-ID: 54016757
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2458961.5 (2020-Apr-22.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5298033833782092 0.00066762  
a 1.571132243691029 0.0017558 au
q .7387410652489248 0.00022336 au
i 2.187195761396224 0.0026011 deg
node 209.1151477186851 0.0001041 deg
peri 86.66584806842694 8.1601e-05 deg
M 331.2245722459274 0.059317 deg
tp 2459018.995893405074
(2020-Jun-18.49589341)
0.02214 TDB
period 719.3123870381796
1.97
1.2058
0.003301
d
yr
n .5004779654668896 0.00083895 deg/d
Q 2.403523422133133 0.002686 au
  Orbit Determination Parameters
   # obs. used (total)      29  
   data-arc span      9 days  
   first obs. used      2020-04-19  
   last obs. used      2020-04-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .568  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:25:32  

Additional Information
 Earth MOID = .00661417 au 
 Jupiter MOID = 2.83445 au 
 T_jup = 4.243 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 4.457169866411914E-7 -1.491161731221518E-7 -1.478124523020493E-5 6.205847743245332E-8 -5.71515821723413E-10 1.736408711075881E-6
q -1.491161731221518E-7 4.988755971117198E-8 4.945099133789436E-6 -2.07685245325977E-8 1.575072380322958E-10 -5.809294880653592E-7
tp -1.478124523020493E-5 4.945099133789436E-6 .0004901900781624009 -2.057078536671185E-6 2.161252496726987E-8 -5.758310138165572E-5
node 6.205847743245332E-8 -2.07685245325977E-8 -2.057078536671185E-6 1.083711952302904E-8 -7.097299439905535E-10 2.431549822159911E-7
peri -5.71515821723413E-10 1.575072380322958E-10 2.161252496726987E-8 -7.097299439905535E-10 6.658725779139265E-9 -1.737181514152121E-9
i 1.736408711075881E-6 -5.809294880653592E-7 -5.758310138165572E-5 2.431549822159911E-7 -1.737181514152121E-9 6.765934895186885E-6

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 27.6   .33996 E2020-HL1 autocmod 2.8

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2004-Oct-30 17:13 4_20:20 Earth 0.498055121609337 0.3967215537086 0.599389842765675 29.9516192557101 29.9514406415297 2453309.217337453 6980.41225955279 5053265.40809232 45.1236271541774 -0.463638743956605 12439.5692424261 T 3 CATAB v2.0g-lin.ifort 2021-Apr-15 22:25:32 2021-Apr-15 22:25
2006-Oct-22 14:21 8_10:45 Earth 0.318444390642176 0.145457503758323 0.491529007946507 24.5321562667146 24.5318151947285 2454031.098106222 12165.031579899 8633076.927951 35.2289395463403 -1.5728343061486 34525.9063702739 T 3 CATAB v2.0g-lin.ifort 2021-Apr-15 22:25:32 2021-Apr-15 22:25
2020-Apr-29 11:57 < 00:01 Earth 0.00802483270797802 0.00799688601875356 0.00805277881866662 14.9285880244077 14.9063302614838 2458968.998133511 0.0897181965959649 1389.41954831738 5.12373537743108 -0.0114115981890618 632.075523652371 T 3 CATAB v2.0g-lin.ifort 2021-Apr-15 22:25:32 2021-Apr-15 22:25
2020-Apr-29 13:16 < 00:01 Moon 0.0068715730790441 0.00684489519580905 0.00689826123782837 15.9351063994642 15.934807096018 2458969.052755551 0.252868172603865 1394.99530268854 5.104435638679 17.4860565408709 59160.4341704616 T 3 CATAB v2.0g-lin.ifort 2021-Apr-15 22:25:32 2021-Apr-15 22:25
2022-Apr-20 19:20 3_08:41 Earth 0.147360705521247 0.0855282702411619 0.209247531477729 19.3995680587659 19.3986359876761 2459690.305688229 4840.8581858526 3087918.92921118 15.8908837898508 -2.40704860617467 54306.0991677038 T 3 CATAB v2.0g-lin.ifort 2021-Apr-15 22:25:32 2021-Apr-15 22:25
2024-Apr-12 05:28 5_21:30 Earth 0.305274030415375 0.185381836515682 0.42519774582184 24.0643766797768 24.0640139767731 2460412.727498190 8489.70273114387 5981325.52566593 19.733086190397 -1.38970242152973 52015.1544708885 T 3 CATAB v2.0g-lin.ifort 2021-Apr-15 22:25:32 2021-Apr-15 22:25
2024-Sep-12 12:50 4_08:42 Mars 0.0675754208839691 0.0231737681427794 0.163129676906363 12.7530564039277 12.7527241969045 2460566.034615535 6281.73187682316 4886765.68233021 70.1986444894597 20.0578784751046 48581.8566442512 T 3 CATAB v2.0g-lin.ifort 2021-Apr-15 22:25:32 2021-Apr-15 22:25
2026-Apr-05 09:19 8_07:00 Earth 0.454990770219968 0.282267858780234 0.627758161707451 28.5912170932688 28.5910122702878 2461135.888409887 11940.4079153475 8617022.89849327 24.1817677226488 -1.39610663838633 63993.262082566 T 3 CATAB v2.0g-lin.ifort 2021-Apr-15 22:25:32 2021-Apr-15 22:25
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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