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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 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5298031974862785 0.00066762  
a 1.571131755429776 0.0017558 au
q .7387411277308509 0.00022335 au
i 2.187195096396597 0.0026011 deg
node 209.1151472865515 0.0001041 deg
peri 86.66584848892043 8.1601e-05 deg
M 331.2245557566072 0.059317 deg
tp 2459018.995899550181
(2020-Jun-18.49589955)
0.02214 TDB
period 719.3120517268062
1.97
1.2058
0.003301
d
yr
n .5004781987675184 0.00083895 deg/d
Q 2.4035223831287 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .56799  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-28 07:12:15  

Additional Information
 Earth MOID = .00661417 au 
 Jupiter MOID = 2.83445 au 
 T_jup = 4.243 
[ show covariance matrix ]

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 17:14 4_19:57 Earth 0.498064499140917 0.397079251457104 0.599050891954026 29.9518996662183 29.9517210570731 2453309.217785927 6956.62909258325 5035895.37540945 45.1242627799174 -0.463660261480783 12440.2599701919 T 2 CATAB v2.0f-lin.ifort 2020-Apr-28 07:12:16 2020-Apr-28 07:12
2006-Oct-22 14:22 8_10:28 Earth 0.318460428851126 0.14571890934673 0.491299259232445 24.5326354724722 24.5322944243253 2454031.098889371 12147.8033913695 8620818.31131652 35.2296121094697 -1.57269489599533 34523.9525491397 T 2 CATAB v2.0f-lin.ifort 2020-Apr-28 07:12:16 2020-Apr-28 07:12
2020-Apr-29 11:57 < 00:01 Earth 0.00802483022333383 0.0079968835700414 0.00805277629809101 14.9285832177461 14.9063254407524 2458968.998133575 0.0897182094639827 1389.41775797015 5.12373374707896 -0.0114112141370331 632.076073147059 T 2 CATAB v2.0f-lin.ifort 2020-Apr-28 07:12:16 2020-Apr-28 07:12
2020-Apr-29 13:16 < 00:01 Moon 0.00687157070456091 0.00684489285656176 0.006898258828094 15.935101595626 15.9348022919894 2458969.052755671 0.252868909835892 1394.99351028624 5.10443398273246 17.4860630847206 59160.4541384927 T 2 CATAB v2.0f-lin.ifort 2020-Apr-28 07:12:16 2020-Apr-28 07:12
2022-Apr-20 19:20 3_08:41 Earth 0.147366440967386 0.0855341461635608 0.209253118787054 19.3997324608794 19.3988004339653 2459690.305376820 4840.81845807632 3087911.4117168 15.8909863353209 -2.40695448471607 54305.7046932129 T 2 CATAB v2.0f-lin.ifort 2020-Apr-28 07:12:16 2020-Apr-28 07:12
2024-Apr-12 05:27 5_21:30 Earth 0.305285148782579 0.185393781832594 0.425208034519122 24.0647043495548 24.0643416646993 2460412.726952202 8489.61242639424 5981284.13523993 19.7334023455726 -1.38968783703617 52015.6820866569 T 2 CATAB v2.0f-lin.ifort 2020-Apr-28 07:12:16 2020-Apr-28 07:12
2024-Sep-12 12:49 4_08:42 Mars 0.0675668848878852 0.0231737174745265 0.163120119760059 12.7529050074026 12.7525727544701 2460566.034211383 6281.61448158378 4886736.80749862 70.1995970008558 20.0604756418257 48581.1463051711 T 2 CATAB v2.0f-lin.ifort 2020-Apr-28 07:12:16 2020-Apr-28 07:12
2026-Apr-05 09:18 8_07:00 Earth 0.455006787974846 0.282286849248608 0.627771203152848 28.5916934958768 28.5914886835191 2461135.887641012 11940.1754583782 8616874.48860781 24.1822927153021 -1.39611026252668 63994.34554654 T 2 CATAB v2.0f-lin.ifort 2020-Apr-28 07:12:16 2020-Apr-28 07:12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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