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109531 (2001 QP248)
Classification: Main-belt Asteroid          SPK-ID: 2109531
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 .1822001324542664 3.7542e-08  
a 2.41814672350338 1.093e-08 au
q 1.977560070187214 9.1053e-08 au
i 3.727190131726809 6.8144e-06 deg
node 40.0009970351165 8.1239e-05 deg
peri 44.84661913995159 8.4624e-05 deg
M 301.137981987996 2.3602e-05 deg
tp 2459225.071710159963
(2021-Jan-10.57171016)
9.073e-05 TDB
period 1373.480189569773
3.76
9.312e-06
2.549e-08
d
yr
n .2621078940445191 1.777e-09 deg/d
Q 2.858733376819547 1.2921e-08 au
  Orbit Determination Parameters
   # obs. used (total)      793  
   data-arc span      7497 days (20.53 yr)  
   first obs. used      1999-02-20  
   last obs. used      2019-08-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61491  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:11:31  

Additional Information
 Earth MOID = .995691 au 
 Jupiter MOID = 2.37007 au 
 T_jup = 3.490 
[ 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 15.3   n/a MPO432617  
diameter diameter 2.007 km 0.355 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.365   0.246 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109531 (2001 QP248)          Discovered 2001-Aug-24 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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