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JPL Small-Body Database Browser
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54114 (2000 HZ12)
Classification: Main-belt Asteroid          SPK-ID: 2054114
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05840392939681174 4.0716e-08  
a 2.767870825184259 1.7791e-08 au
q 2.606216292930703 1.1532e-07 au
i 6.30820105153644 4.9839e-06 deg
node 317.8951594592124 3.8604e-05 deg
peri 333.0348035821644 5.8789e-05 deg
M 346.7183195087526 4.2954e-05 deg
tp 2458662.553699977712
(2019-Jun-28.05369998)
0.00020058 TDB
period 1681.965772832578
4.60
1.6217e-05
4.44e-08
d
yr
n .214035270999438 2.0636e-09 deg/d
Q 2.929525357437815 1.883e-08 au
  Orbit Determination Parameters
   # obs. used (total)      921  
   data-arc span      7502 days (20.54 yr)  
   first obs. used      1999-02-10  
   last obs. used      2019-08-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5239  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:23:00  

Additional Information
 Earth MOID = 1.59129 au 
 Jupiter MOID = 2.21308 au 
 T_jup = 3.327 
[ 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 14.5   n/a MPO493251  
diameter diameter 7.198 km 0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.28459 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.071   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

54114 (2000 HZ12)          Discovered 2000-Apr-28 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 HZ12 = 1999 CH23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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