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JPL Small-Body Database Browser
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344860 (2004 HT29)
Classification: Main-belt Asteroid          SPK-ID: 2344860
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1298999653943589 5.9898e-08  
a 2.263280384008631 1.7881e-08 au
q 1.969280340448178 1.2975e-07 au
i 2.410467854501465 6.9678e-06 deg
node 285.9898156902814 0.00019004 deg
peri 307.3478089480998 0.00019331 deg
M 130.4339781134559 3.4761e-05 deg
tp 2458149.896868841256
(2018-Jan-31.39686884)
0.00011887 TDB
period 1243.672312716292
3.40
1.4738e-05
4.035e-08
d
yr
n .2894653168033689 3.4303e-09 deg/d
Q 2.557280427569083 2.0203e-08 au
  Orbit Determination Parameters
   # obs. used (total)      95  
   data-arc span      7288 days (19.95 yr)  
   first obs. used      1999-12-13  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63225  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 22:57:23  

Additional Information
 Earth MOID = .959151 au 
 Jupiter MOID = 2.44166 au 
 T_jup = 3.606 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.0   n/a MPO455509  

344860 (2004 HT29)          Discovered 2004-Apr-21 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

Alternate Designations
 2004 HT29 = 2005 TD84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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