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154559 (2003 HL10)
Classification: Main-belt Asteroid          SPK-ID: 2154559
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1516553131996121 5.7679e-08  
a 2.742845680907338 3.2217e-08 au
q 2.326878560111132 1.6698e-07 au
i 10.0777376045329 5.9871e-06 deg
node 130.8987932377922 3.5531e-05 deg
peri 127.1596940393049 4.607e-05 deg
M 251.2860826502749 3.715e-05 deg
tp 2459501.552383106897
(2021-Oct-14.05238311)
0.00017822 TDB
period 1659.206680394164
4.54
2.9233e-05
8.004e-08
d
yr
n .2169711611301359 3.8228e-09 deg/d
Q 3.158812801703544 3.7103e-08 au
  Orbit Determination Parameters
   # obs. used (total)      338  
   data-arc span      7481 days (20.48 yr)  
   first obs. used      1999-07-13  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62103  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 20:04:01  

Additional Information
 Earth MOID = 1.32747 au 
 Jupiter MOID = 1.98802 au 
 T_jup = 3.310 
[ 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 15.5   n/a MPO454004  
diameter diameter 4.917 km 1.885 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

154559 (2003 HL10)          Discovered 2003-Apr-25 by LONEOS at Anderson Mesa
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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