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JPL Small-Body Database Browser
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17161 (1999 LQ13)
Classification: Outer Main-belt Asteroid          SPK-ID: 2017161
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1619086710527542 3.3932e-08  
a 3.349551071811156 1.8686e-08 au
q 2.807229709150883 1.1295e-07 au
i 6.718603023213825 4.0628e-06 deg
node 185.3975626652557 3.0901e-05 deg
peri 146.0394992736925 3.3253e-05 deg
M 97.89208690472927 1.1667e-05 deg
tp 2458391.631622058579
(2018-Sep-30.13162206)
7.2398e-05 TDB
period 2239.124969030792
6.13
1.8737e-05
5.13e-08
d
yr
n .1607770914884784 1.3454e-09 deg/d
Q 3.891872434471428 2.1712e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1863  
   data-arc span      11408 days (31.23 yr)  
   first obs. used      1988-11-04  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48222  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:57:38  

Additional Information
 Earth MOID = 1.80023 au 
 Jupiter MOID = 1.54181 au 
 T_jup = 3.126 
[ 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 13.1   n/a MPO337404  
diameter diameter 16.454 km 0.277 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.720 h n/a LCDB (Rev. 2019-August); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.045   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17161 (1999 LQ13)          Discovered 1999-Jun-09 by LINEAR at Socorro
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 LQ13 = 1988 VX12 = 1998 FQ123 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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