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120276 (2004 HU9)
Classification: Main-belt Asteroid          SPK-ID: 2120276
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .133290682445815 5.1751e-08  
a 2.29125207013297 1.496e-08 au
q 1.98584951804956 1.1996e-07 au
i 4.586260562448146 5.2029e-06 deg
node 14.62384478452204 6.0002e-05 deg
peri 160.5746383456867 6.4725e-05 deg
M 263.2161413272045 3.0861e-05 deg
tp 2459341.071392161103
(2021-May-06.57139216)
0.0001109 TDB
period 1266.799059877324
3.47
1.2407e-05
3.397e-08
d
yr
n .2841808234645061 2.7832e-09 deg/d
Q 2.59665462221638 1.6954e-08 au
  Orbit Determination Parameters
   # obs. used (total)      341  
   data-arc span      8784 days (24.05 yr)  
   first obs. used      1995-10-15  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56897  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 11:13:57  

Additional Information
 Earth MOID = .990781 au 
 Jupiter MOID = 2.36478 au 
 T_jup = 3.582 
[ 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 16.7   n/a MPO280589  

120276 (2004 HU9)          Discovered 2004-Apr-17 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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