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JPL Small-Body Database Browser
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32378 (2000 QB173)
Classification: Main-belt Asteroid          SPK-ID: 2032378
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06108563919706993 3.8124e-08  
a 2.812842522837612 1.6746e-08 au
q 2.641018239369378 1.0542e-07 au
i 7.628222893512336 4.0255e-06 deg
node 267.680440237923 3.2832e-05 deg
peri 294.6578775051418 4.905e-05 deg
M 106.6181950133273 3.7833e-05 deg
tp 2458090.176720279629
(2017-Dec-02.67672028)
0.00018038 TDB
period 1723.124094122667
4.72
1.5388e-05
4.213e-08
d
yr
n .208922851945434 1.8657e-09 deg/d
Q 2.984666806305847 1.7769e-08 au
  Orbit Determination Parameters
   # obs. used (total)      920  
   data-arc span      7933 days (21.72 yr)  
   first obs. used      1998-01-24  
   last obs. used      2019-10-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57847  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 05:26:12  

Additional Information
 Earth MOID = 1.64757 au 
 Jupiter MOID = 2.04837 au 
 T_jup = 3.305 
[ 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 14.6   n/a MPO449198  
diameter diameter 3.587 km 1.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.382 h n/a LCDB (Rev. 2019-January); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.239   0.115 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

32378 (2000 QB173)          Discovered 2000-Aug-31 by LINEAR at Socorro
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 QB173 = 1998 DB30 = 1999 JA111 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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