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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1512610824513987 4.399e-08  
a 2.579192434534596 1.2166e-08 au
q 2.189060995036435 1.1359e-07 au
i 15.20909792363214 4.8832e-06 deg
node 94.11611151578973 1.6471e-05 deg
peri 206.275204646691 2.2802e-05 deg
M 325.6363583000644 1.863e-05 deg
tp 2459144.917800901034
(2020-Oct-22.41780090)		 7.8703e-05 TDB
period 1512.948155447386
4.14		 1.0705e-05
2.931e-08		 d
yr
n .2379460252513056 1.6836e-09 deg/d
Q 2.969323874032757 1.4006e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1363  
   data-arc span      10547 days (28.88 yr)  
   first obs. used      1991-06-13  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51331  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:36:55  

Additional Information
 Earth MOID = 1.18208 au 
 Jupiter MOID = 2.23822 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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