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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1616615728641169 3.4913e-08  
a 3.348101164630429 1.8982e-08 au
q 2.806841864248092 1.1696e-07 au
i 6.719777853022207 4.2017e-06 deg
node 185.4102590589948 3.1215e-05 deg
peri 145.9075693261443 3.3573e-05 deg
M 33.69838408075304 1.1669e-05 deg
tp 2458391.039150797291
(2018-Sep-29.53915080)
7.2516e-05 TDB
period 2237.671264363195
6.13
1.903e-05
5.21e-08
d
yr
n .1608815404359452 1.3682e-09 deg/d
Q 3.889360465012765 2.2051e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1795  
   data-arc span      11355 days (31.09 yr)  
   first obs. used      1988-11-04  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49012  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:17:35  

Additional Information
 Earth MOID = 1.79893 au 
 Jupiter MOID = 1.5407 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-January); 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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