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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .104597519944208 4.952e-08  
a 2.599846660908717 1.7894e-08 AU
q 2.327909147942435 1.3009e-07 AU
i 13.07465428849238 6.3942e-06 deg
node 97.78058389203809 2.1778e-05 deg
peri 65.04938485720022 4.1576e-05 deg
M 279.6035973649865 3.5301e-05 deg
tp 2457342.443335444636
(2015-Nov-15.94333544)
0.00015184 JED
period 1531.158070827138
4.19
1.5808e-05
4.328e-08
d
yr
n .2351161561036781 2.4274e-09 deg/d
Q 2.871784173874999 1.9766e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      996  
   data-arc span      13464 days (36.86 yr)  
   first obs. used      1978-04-11  
   last obs. used      2015-02-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49118  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:42:41  

Additional Information
 Earth MOID = 1.372 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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