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213834 (2003 QD103)
Classification: Main-belt Asteroid          SPK-ID: 2213834
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09361859820196741 5.7355e-08  
a 2.849149607362371 2.1511e-08 au
q 2.58241621505342 1.6108e-07 au
i 2.830500096024562 5.7266e-06 deg
node 140.2491494829032 0.00010255 deg
peri 257.9464929784842 0.00010721 deg
M 159.9255866596031 2.9524e-05 deg
tp 2458420.154805509987
(2018-Oct-28.65480551)
0.0001433 TDB
period 1756.593650110185
4.81
1.9893e-05
5.446e-08
d
yr
n .2049421048387704 2.3209e-09 deg/d
Q 3.115882999671322 2.3525e-08 au
  Orbit Determination Parameters
   # obs. used (total)      478  
   data-arc span      21730 days (59.49 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52637  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:44:17  

Additional Information
 Earth MOID = 1.59051 au 
 Jupiter MOID = 2.25293 au 
 T_jup = 3.298 
[ 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 16.07   n/a E2021B55  
rotation period rot_per 5.39 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

213834 (2003 QD103)          Discovered 2003-Aug-31 by Spacewatch at Kitt Peak
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 2003 QD103 = 2006 DX7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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