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86870 (2000 HK20)
Classification: Main-belt Asteroid          SPK-ID: 2086870
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1361653963357491 3.3402e-08  
a 2.293835200754148 8.7245e-09 au
q 1.981494221514567 7.6163e-08 au
i 5.719386748826183 3.6343e-06 deg
node 227.1713993361837 3.7833e-05 deg
peri 109.1711197844046 4.0149e-05 deg
M 177.6666618837443 1.4204e-05 deg
tp 2458374.253677905890
(2018-Sep-12.75367791)
4.9034e-05 TDB
period 1268.941925083286
3.47
7.2396e-06
1.982e-08
d
yr
n .2837009266412028 1.6186e-09 deg/d
Q 2.60617617999373 9.9125e-09 au
  Orbit Determination Parameters
   # obs. used (total)      724  
   data-arc span      9857 days (26.99 yr)  
   first obs. used      1993-04-26  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54709  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:49:54  

Additional Information
 Earth MOID = .981244 au 
 Jupiter MOID = 2.7549 au 
 T_jup = 3.577 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO449539  

86870 (2000 HK20)          Discovered 2000-Apr-29 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 2000 HK20 = 1996 EM12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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