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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1045975800691849 6.1128e-08  
a 2.599846685165212 2.3007e-08 AU
q 2.327909013346038 1.5284e-07 AU
i 13.0746546582083 6.691e-06 deg
node 97.78058861111587 2.5508e-05 deg
peri 65.04937645942329 4.3779e-05 deg
M 279.6035913782099 3.5559e-05 deg
tp 2457342.443365693178
(2015-Nov-15.94336569)
0.00015327 JED
period 1531.158092255629
4.19
2.0325e-05
5.565e-08
d
yr
n .2351161528132377 3.121e-09 deg/d
Q 2.871784356984385 2.5414e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      770  
   data-arc span      13313 days (36.45 yr)  
   first obs. used      1978-04-11  
   last obs. used      2014-09-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52434  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:30:10  

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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