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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1045975769310546 6.5051e-08  
a 2.599846683911202 2.4601e-08 AU
q 2.327909020381853 1.6083e-07 AU
i 13.07465525510804 6.8478e-06 deg
node 97.78059047429846 2.5917e-05 deg
peri 65.0493748441599 4.4186e-05 deg
M 279.6035917088076 3.558e-05 deg
tp 2457342.443364039675
(2015-Nov-15.94336404)
0.00015341 JED
period 1531.158091147822
4.19
2.1733e-05
5.95e-08
d
yr
n .2351161529833465 3.3371e-09 deg/d
Q 2.871784347440551 2.7174e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      758  
   data-arc span      13020 days (35.65 yr)  
   first obs. used      1978-04-11  
   last obs. used      2013-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52718  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 21:18:43  

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 13.2 mag n/a MPO263486  

15496 (1999 DQ3)          Discovered 1999-Feb-20 by Shimizu, Y., Urata, T. at Nachi-Katsuura (905)
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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