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344857 (2004 HO12)
Classification: Main-belt Asteroid          SPK-ID: 2344857
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .176794138750332 8.9427e-08  
a 3.082781505067615 3.9788e-08 au
q 2.537763803923734 2.8855e-07 au
i 15.54864013176555 1.1037e-05 deg
node 37.47830762080741 2.2449e-05 deg
peri 187.4859734906921 3.2428e-05 deg
M 342.7211694643705 2.03e-05 deg
tp 2459095.390861284241
(2020-Sep-02.89086128)
0.00011197 TDB
period 1977.026743325379
5.41
3.8275e-05
1.048e-07
d
yr
n .1820916187478964 3.5252e-09 deg/d
Q 3.627799206211496 4.6822e-08 au
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      5880 days (16.10 yr)  
   first obs. used      2004-04-19  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4719  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 17:01:29  

Additional Information
 Earth MOID = 1.52998 au 
 Jupiter MOID = 1.35608 au 
 T_jup = 3.148 
[ 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 16.2   n/a MPO427770  

344857 (2004 HO12)          Discovered 2004-Apr-19 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 2004 HO12 = 2010 GN53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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