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17478 (1991 LQ)
Classification: Main-belt Asteroid          SPK-ID: 2017478
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1509538841958729 4.5445e-08  
a 2.578450798071795 1.313e-08 au
q 2.189223634894909 1.1664e-07 au
i 15.20950393676432 4.9878e-06 deg
node 94.11527504738486 1.6623e-05 deg
peri 206.3597441357809 2.3181e-05 deg
M 230.3200004357744 1.9041e-05 deg
tp 2459145.262493935420
(2020-Oct-22.76249394)		 8.1749e-05 TDB
period 1512.295639079046
4.14		 1.1551e-05
3.162e-08		 d
yr
n .2380486927934486 1.8182e-09 deg/d
Q 2.96767796124868 1.5111e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1312  
   data-arc span      10191 days (27.90 yr)  
   first obs. used      1991-06-13  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50056  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:31:22  

Additional Information
 Earth MOID = 1.18163 au 
 Jupiter MOID = 2.23844 au 
 T_jup = 3.361 
[ 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 13.7   n/a MPO473999  
diameter diameter 5.075 km 0.264 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.207   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17478 (1991 LQ)          Discovered 1991-Jun-13 by Helin, E. F. at Palomar
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 LQ = 1995 KN5 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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