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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09497164318293103 4.0953e-08  
a 2.286491789625557 1.3011e-08 au
q 2.069339907240537 9.125e-08 au
i 6.284424022577229 5.1834e-06 deg
node 23.1358801430278 3.7741e-05 deg
peri 236.3830608325316 4.9513e-05 deg
M 204.1876625329485 3.5949e-05 deg
tp 2459547.078114686562
(2021-Nov-28.57811469)		 0.00012892 TDB
period 1262.853279052895
3.46		 1.0779e-05
2.951e-08		 d
yr
n .2850687454919466 2.4332e-09 deg/d
Q 2.503643672010577 1.4246e-08 au
   Orbit Determination Parameters
   # obs. used (total)      524  
   data-arc span      7270 days (19.90 yr)  
   first obs. used      2000-02-28  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55875  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 06:17:35  

Additional Information
 Earth MOID = 1.06234 au 
 Jupiter MOID = 2.53906 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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