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JPL Small-Body Database Browser
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109595 (2001 QJ281)
Classification: Main-belt Asteroid          SPK-ID: 2109595
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2814454836743633 7.0796e-08  
a 3.172469985360016 2.6911e-08 au
q 2.279592635887966 2.3152e-07 au
i 16.1646828164149 7.2113e-06 deg
node 75.44045553567243 2.6927e-05 deg
peri 327.6101872815435 2.9215e-05 deg
M 12.03159316205289 1.1922e-05 deg
tp 2458531.521245681558
(2019-Feb-17.02124568)
6.7879e-05 TDB
period 2063.928793150945
5.65
2.6261e-05
7.19e-08
d
yr
n .1744246222033647 2.2194e-09 deg/d
Q 4.065347334832066 3.4485e-08 au
  Orbit Determination Parameters
   # obs. used (total)      460  
   data-arc span      10294 days (28.18 yr)  
   first obs. used      1990-11-15  
   last obs. used      2019-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59738  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:54:10  

Additional Information
 Earth MOID = 1.30585 au 
 Jupiter MOID = 1.40024 au 
 T_jup = 3.079 
[ 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 14.5   n/a MPO296847  
diameter diameter 8.244 km 0.399 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109595 (2001 QJ281)          Discovered 2001-Aug-19 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 QJ281 = 1990 VF12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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