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15496 (1999 DQ3)
Classification: Main-belt Asteroid          SPK-ID: 2015496
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1045775262081703 4.432e-08  
a 2.600092869180372 1.4604e-08 au
q 2.328181589009985 1.1309e-07 au
i 13.07002497656655 5.3547e-06 deg
node 97.74370230156512 2.1155e-05 deg
peri 64.60738383863116 3.8863e-05 deg
M 61.05680085243439 3.1098e-05 deg
tp 2457340.775295042719
(2015-Nov-14.27529504)
0.0001316 JED
period 1531.375579447724
4.19
1.2902e-05
3.532e-08
d
yr
n .2350827614280166 1.9805e-09 deg/d
Q 2.872004149350759 1.6131e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1182  
   data-arc span      13886 days (38.02 yr)  
   first obs. used      1978-04-11  
   last obs. used      2016-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48219  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:22:22  

Additional Information
 Earth MOID = 1.37042 au 
 Jupiter MOID = 2.23266 au 
 T_jup = 3.371 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.3 mag n/a MPO319278  

15496 (1999 DQ3)          Discovered 1999-Feb-20 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 DQ3 = 1978 GG5 = 1987 LB = 1991 JB2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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