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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1296543120475836 5.8037e-08  
a 2.263706743803334 1.733e-08 au
q 1.970207403258038 1.2635e-07 au
i 2.410586458645031 6.4001e-06 deg
node 285.9863299287741 0.000167 deg
peri 307.4096532496438 0.00016974 deg
M 246.1250528087179 3.205e-05 deg
tp 2459394.008720967058
(2021-Jun-28.50872097)
0.00011282 TDB
period 1244.023756254142
3.41
1.4286e-05
3.911e-08
d
yr
n .2893835412629014 3.3231e-09 deg/d
Q 2.557206084348632 1.9577e-08 au
  Orbit Determination Parameters
   # obs. used (total)      105  
   data-arc span      7345 days (20.11 yr)  
   first obs. used      1999-12-13  
   last obs. used      2020-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64584  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:06:59  

Additional Information
 Earth MOID = .960102 au 
 Jupiter MOID = 2.44127 au 
 T_jup = 3.605 
[ 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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