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JPL Small-Body Database Browser
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47938 (2000 HL45)
Classification: Main-belt Asteroid          SPK-ID: 2047938
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1080430382211087 4.4404e-08  
a 2.921497624582105 1.5669e-08 au
q 2.605850145066503 1.3278e-07 au
i 2.747733395242481 3.9625e-06 deg
node 132.5309437298105 9.6491e-05 deg
peri 274.1610077856573 9.8894e-05 deg
M 87.78539361214825 2.0395e-05 deg
tp 2458155.739209802084
(2018-Feb-06.23920980)
0.00010276 TDB
period 1823.923979639048
4.99
1.4673e-05
4.017e-08
d
yr
n .1973766472828782 1.5879e-09 deg/d
Q 3.237145104097708 1.7362e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1340  
   data-arc span      12902 days (35.32 yr)  
   first obs. used      1984-01-25  
   last obs. used      2019-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52126  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:44:19  

Additional Information
 Earth MOID = 1.61676 au 
 Jupiter MOID = 2.11849 au 
 T_jup = 3.269 
[ 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 14.3   n/a MPO279992  
diameter diameter 4.281 km 1.144 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.201   0.082 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

47938 (2000 HL45)          Discovered 2000-Apr-26 by LONEOS at Anderson Mesa
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 HL45 = 1984 BY6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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