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146085 (2000 HE73)
Classification: Main-belt Asteroid          SPK-ID: 2146085
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1515724666433058 5.4492e-08  
a 2.546680960767777 1.5061e-08 au
q 2.160674245790661 1.432e-07 au
i 6.656641997078132 7.7961e-06 deg
node 184.3683139842919 4.0417e-05 deg
peri 29.17517476090546 4.7878e-05 deg
M 337.7588727720041 2.64e-05 deg
tp 2459092.209543732133
(2020-Aug-30.70954373)
0.00010928 TDB
period 1484.431764861723
4.06
1.3168e-05
3.605e-08
d
yr
n .2425170415519468 2.1513e-09 deg/d
Q 2.932687675744893 1.7344e-08 au
  Orbit Determination Parameters
   # obs. used (total)      332  
   data-arc span      7315 days (20.03 yr)  
   first obs. used      2000-04-12  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58894  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:51:13  

Additional Information
 Earth MOID = 1.15779 au 
 Jupiter MOID = 2.03388 au 
 T_jup = 3.417 
[ 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 16.7   n/a MPO422554  

146085 (2000 HE73)          Discovered 2000-Apr-27 by LONEOS at Anderson Mesa
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Alternate Designations
 2000 HE73 = 2004 GC4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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