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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1048172853455575 4.8634e-08  
a 2.601040209453269 1.778e-08 au
q 2.328406235623737 1.2861e-07 au
i 13.06919838132555 6.3492e-06 deg
node 97.75818455387363 2.1204e-05 deg
peri 64.73007460336939 4.1175e-05 deg
M 13.91928369478336 3.5531e-05 deg
tp 2457341.257495313722
(2015-Nov-14.75749531)
0.00015092 JED
period 1532.212587566779
4.19
1.5711e-05
4.301e-08
d
yr
n .2349543417938472 2.4091e-09 deg/d
Q 2.873674183282801 1.9644e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1047  
   data-arc span      13769 days (37.70 yr)  
   first obs. used      1978-04-11  
   last obs. used      2015-12-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48749  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:30:57  

Additional Information
 Earth MOID = 1.37182 au 
 Jupiter MOID = 2.23141 au 
 T_jup = 3.370 
[ 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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