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120286 (2004 HX56)
Classification: Main-belt Asteroid          SPK-ID: 2120286
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3893088315972623 6.313e-08  
a 3.111180935335228 2.8065e-08 au
q 1.899970720512193 1.9307e-07 au
i 27.53894373366784 6.9591e-06 deg
node 90.99543259884162 1.6582e-05 deg
peri 237.2453175264545 1.9018e-05 deg
M 298.4442611409345 1.2709e-05 deg
tp 2459543.230202831740
(2021-Nov-24.73020283)
7.3823e-05 TDB
period 2004.40893580884
5.49
2.7122e-05
7.426e-08
d
yr
n .1796040685952785 2.4302e-09 deg/d
Q 4.322391150158263 3.8991e-08 au
  Orbit Determination Parameters
   # obs. used (total)      301  
   data-arc span      9864 days (27.01 yr)  
   first obs. used      1993-06-11  
   last obs. used      2020-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56298  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:58:15  

Additional Information
 Earth MOID = .996734 au 
 Jupiter MOID = 1.55901 au 
 T_jup = 2.936 
[ 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 14.72   n/a E2021B55  
diameter diameter 6.258 km 0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.078   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120286 (2004 HX56)          Discovered 2004-Apr-27 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2004 HX56 = 1993 LH = 1999 OG1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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