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JPL Small-Body Database Browser
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109035 (2001 QE12)
Classification: Main-belt Asteroid          SPK-ID: 2109035
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1067756641174426 5.3047e-08  
a 2.356723589189099 9.0508e-09 au
q 2.10508286281219 1.2559e-07 au
i 3.349823877971532 5.3859e-06 deg
node 306.8641731342285 6.9077e-05 deg
peri 356.2153918362229 7.233e-05 deg
M 346.6180721957887 2.0113e-05 deg
tp 2458649.622174309110
(2019-Jun-15.12217431)
7.3759e-05 TDB
period 1321.482450810609
3.62
7.6126e-06
2.084e-08
d
yr
n .2724213248380051 1.5693e-09 deg/d
Q 2.608364315566009 1.0017e-08 au
  Orbit Determination Parameters
   # obs. used (total)      769  
   data-arc span      6729 days (18.42 yr)  
   first obs. used      2001-05-29  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51527  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 12:49:30  

Additional Information
 Earth MOID = 1.08899 au 
 Jupiter MOID = 2.57395 au 
 T_jup = 3.544 
[ 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 15.6   n/a MPO291138  
diameter diameter 4.450 km 0.225 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109035 (2001 QE12)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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