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109496 (2001 QA229)
Classification: Main-belt Asteroid          SPK-ID: 2109496
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 .06716306019800952 5.3006e-08  
a 3.102644046755179 3.3961e-08 au
q 2.894260977869965 1.6084e-07 au
i 8.380675659780568 5.8883e-06 deg
node 277.44689523548 4.5001e-05 deg
peri 289.4586153448746 6.7481e-05 deg
M 216.3462824170889 5.2085e-05 deg
tp 2459397.045752422847
(2021-Jul-01.54575242)
0.00029325 TDB
period 1996.164636022876
5.47
3.2775e-05
8.973e-08
d
yr
n .1803458459805489 2.9611e-09 deg/d
Q 3.311027115640393 3.6242e-08 au
  Orbit Determination Parameters
   # obs. used (total)      500  
   data-arc span      6359 days (17.41 yr)  
   first obs. used      2001-08-24  
   last obs. used      2019-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56648  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:52:21  

Additional Information
 Earth MOID = 1.90276 au 
 Jupiter MOID = 1.7718 au 
 T_jup = 3.202 
[ 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 14.8   n/a MPO338040  
diameter diameter 4.495 km 0.227 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.139   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109496 (2001 QA229)          Discovered 2001-Aug-24 by LONEOS at Anderson Mesa
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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