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120277 (2004 HV9)
Classification: Main-belt Asteroid          SPK-ID: 2120277
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09490131094220249 3.6009e-08  
a 2.28645246749453 1.0881e-08 au
q 2.069465130922266 8.2889e-08 au
i 6.284556598976091 5.0071e-06 deg
node 23.12825809078823 3.6379e-05 deg
peri 236.442274393908 4.7314e-05 deg
M 261.1371518103685 3.3128e-05 deg
tp 2459547.294587133782
(2021-Nov-28.79458713)
0.00011745 TDB
period 1262.820702157913
3.46
9.0143e-06
2.468e-08
d
yr
n .285076099389906 2.0349e-09 deg/d
Q 2.503439804066795 1.1913e-08 au
  Orbit Determination Parameters
   # obs. used (total)      569  
   data-arc span      7686 days (21.04 yr)  
   first obs. used      2000-02-28  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5511  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:05:44  

Additional Information
 Earth MOID = 1.06084 au 
 Jupiter MOID = 2.53823 au 
 T_jup = 3.588 
[ 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 16.2   n/a MPO432704  

120277 (2004 HV9)          Discovered 2004-Apr-17 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 2004 HV9 = 2000 DC93 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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