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

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1035675464417209 1.4236e-08  
a 2.600230322174653 9.3905e-09 au
q 2.330930847523658 3.6405e-08 au
i 13.06999806055335 5.4759e-07 deg
node 97.72983909959133 1.4681e-06 deg
peri 64.68669374918871 1.3329e-05 deg
M 77.05504480478551 1.1965e-05 deg
tp 2458872.695635914951
(2020-Jan-24.19563591)
5.0693e-05 TDB
period 1531.497014499025
4.19
8.2963e-06
2.271e-08
d
yr
n .2350641213086277 1.2734e-09 deg/d
Q 2.869529796825647 1.0363e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2369  
   data-arc span      15465 days (42.34 yr)  
   first obs. used      1978-04-11  
   last obs. used      2020-08-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4379  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:00:06  

Additional Information
 Earth MOID = 1.37402 au 
 Jupiter MOID = 2.2294 au 
 T_jup = 3.371 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.44   n/a E2021B10  
rotation period rot_per 88.1332 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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