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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3891729974976044 6.3454e-08  
a 3.11147444715414 2.8254e-08 au
q 1.900572609917962 1.9391e-07 au
i 27.53836413005092 7.0341e-06 deg
node 90.99846225046096 1.6582e-05 deg
peri 237.2256707396442 1.9051e-05 deg
M 262.5304315284102 1.2403e-05 deg
tp 2459543.268115552139
(2021-Nov-24.76811555)
7.3868e-05 TDB
period 2004.692589315443
5.49
2.7305e-05
7.476e-08
d
yr
n .1795786555598192 2.446e-09 deg/d
Q 4.322376284390318 3.9249e-08 au
  Orbit Determination Parameters
   # obs. used (total)      293  
   data-arc span      9819 days (26.88 yr)  
   first obs. used      1993-06-11  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56355  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:36:22  

Additional Information
 Earth MOID = .998967 au 
 Jupiter MOID = 1.55875 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 14.7   n/a MPO432704  
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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