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109522 (2001 QU243)
Classification: Main-belt Asteroid          SPK-ID: 2109522
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0813933515825272 4.1617e-08  
a 2.974078839848641 1.9203e-08 au
q 2.732008595202686 1.3093e-07 au
i 10.31962884178837 5.2006e-06 deg
node 347.3643377364124 2.2738e-05 deg
peri 314.2456410002386 3.8296e-05 deg
M 278.096659062677 3.23e-05 deg
tp 2459426.712575181899
(2021-Jul-31.21257518)
0.00016949 TDB
period 1873.38544813333
5.13
1.8144e-05
4.968e-08
d
yr
n .1921654725986633 1.8612e-09 deg/d
Q 3.216149084494596 2.0766e-08 au
  Orbit Determination Parameters
   # obs. used (total)      949  
   data-arc span      21766 days (59.59 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50185  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:05:29  

Additional Information
 Earth MOID = 1.72904 au 
 Jupiter MOID = 2.08513 au 
 T_jup = 3.232 
[ 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 14.2   n/a MPO432617  
diameter diameter 5.492 km 0.540 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.134   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109522 (2001 QU243)          Discovered 2001-Aug-24 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2001 QU243 = 6282 P-L 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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