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32546 (2001 QE14)
Classification: Main-belt Asteroid          SPK-ID: 2032546
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1554882002410609 3.8014e-08  
a 3.145673452875292 1.8432e-08 au
q 2.656558349141629 1.1633e-07 au
i .084961419711563 4.232e-06 deg
node 259.8965370907076 0.003567 deg
peri 156.7796335882338 0.003567 deg
M 71.64256376641025 1.7617e-05 deg
tp 2458594.956447804505
(2019-Apr-21.45644780)
9.9747e-05 TDB
period 2037.834369892112
5.58
1.7911e-05
4.904e-08
d
yr
n .1766581255664361 1.5527e-09 deg/d
Q 3.634788556608955 2.1298e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1367  
   data-arc span      12548 days (34.35 yr)  
   first obs. used      1985-12-17  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53624  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 07:28:00  

Additional Information
 Earth MOID = 1.66851 au 
 Jupiter MOID = 1.71326 au 
 T_jup = 3.190 
[ 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 14.0   n/a MPO337528  
diameter diameter 8.463 km 0.241 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.046 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 0.068   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

32546 (2001 QE14)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 QE14 = 1985 YK2 = 1993 FN74 = 1998 AJ5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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