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JPL Small-Body Database Browser
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245500 (2005 QQ156)
Classification: Main-belt Asteroid          SPK-ID: 2245500
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .100243378748205 7.1918e-08  
a 3.133300497863361 4.581e-08 au
q 2.819207869324105 2.3532e-07 au
i 15.14543071288997 1.2004e-05 deg
node 295.3900365759283 3.721e-05 deg
peri 109.4754219557101 0.00010175 deg
M 190.3260158266518 9.0672e-05 deg
tp 2459955.304056498100
(2023-Jan-10.80405650)
0.0005178 TDB
period 2025.8230041215
5.55
4.4428e-05
1.216e-07
d
yr
n .1777055543685636 3.8972e-09 deg/d
Q 3.447393126402618 5.0403e-08 au
  Orbit Determination Parameters
   # obs. used (total)      287  
   data-arc span      6702 days (18.35 yr)  
   first obs. used      2000-12-01  
   last obs. used      2019-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58238  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:34:01  

Additional Information
 Earth MOID = 1.87418 au 
 Jupiter MOID = 1.92377 au 
 T_jup = 3.151 
[ 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 15.0   n/a MPO470617  
diameter diameter 6.614 km 0.344 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

245500 (2005 QQ156)          Discovered 2005-Aug-30 by NEAT at Palomar
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

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