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152206 (2005 QW168)
Classification: Main-belt Asteroid          SPK-ID: 2152206
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04519937690045164 4.6759e-08  
a 3.080001278851912 4.0166e-08 au
q 2.940787140195211 1.5859e-07 au
i 10.47347787808881 5.2151e-06 deg
node 271.7132070717441 3.5125e-05 deg
peri 351.0735993217518 8.2057e-05 deg
M 28.0142623412236 7.2888e-05 deg
tp 2459046.861003230826
(2020-Jul-16.36100323)
0.00039999 TDB
period 1974.352855099556
5.41
3.8621e-05
1.057e-07
d
yr
n .1823382274704119 3.5668e-09 deg/d
Q 3.219215417508612 4.1981e-08 au
  Orbit Determination Parameters
   # obs. used (total)      360  
   data-arc span      6764 days (18.52 yr)  
   first obs. used      2001-12-14  
   last obs. used      2020-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53346  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:26:08  

Additional Information
 Earth MOID = 1.9236 au 
 Jupiter MOID = 1.87142 au 
 T_jup = 3.201 
[ 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 14.93   n/a E2021B55  
diameter diameter 3.836 km 0.814 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 171.152 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.144   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

152206 (2005 QW168)          Discovered 2005-Aug-29 by NEAT at Palomar
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ show close-approach data ]
Alternate Designations
 2005 QW168 = 2001 XV176 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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