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JPL Small-Body Database Browser
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32339 (2000 QA88)
Classification: Jupiter Trojan          SPK-ID: 2032339
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1098697309056014 4.5226e-08  
a 5.217782093266949 9.2342e-08 au
q 4.644505778755644 2.1522e-07 au
i 18.88642972408589 5.6739e-06 deg
node 172.4705236529893 1.4698e-05 deg
peri 274.783621674033 3.1223e-05 deg
M 141.1744636884176 2.7241e-05 deg
tp 2457293.313453421279
(2015-Sep-27.81345342)
0.00031861 TDB
period 4353.387579532648
11.92
0.00011557
3.164e-07
d
yr
n .08269422224029209 2.1952e-09 deg/d
Q 5.791058407778253 1.0249e-07 au
  Orbit Determination Parameters
   # obs. used (total)      934  
   data-arc span      11961 days (32.75 yr)  
   first obs. used      1987-07-29  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51518  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 07:25:20  

Additional Information
 Earth MOID = 3.72691 au 
 Jupiter MOID = .189866 au 
 T_jup = 2.881 
[ 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 11.7   n/a MPO474175  
diameter diameter 27.968 km 1.343 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
rotation period rot_per 9.778 h n/a LCDB (Rev. 2019-August); 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 0.057   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

32339 (2000 QA88)          Discovered 2000-Aug-25 by LINEAR at Socorro
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 QA88 = 2001 SG45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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