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JPL Small-Body Database Browser
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11611 (1995 YQ)
Classification: Main-belt Asteroid          SPK-ID: 2011611
[ 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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0838490335083778 4.8146e-08  
a 2.990463472721131 1.6482e-08 au
q 2.739716000791357 1.5136e-07 au
i 11.82160021938904 4.5577e-06 deg
node 117.4024302829958 2.1764e-05 deg
peri 178.9592594173739 3.6613e-05 deg
M 311.2806884760143 2.8655e-05 deg
tp 2458856.125880705797
(2020-Jan-07.62588071)		 0.00015 TDB
period 1888.88787988682
5.17		 1.5616e-05
4.275e-08		 d
yr
n .1905883371021317 1.5756e-09 deg/d
Q 3.241210944650904 1.7864e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1458  
   data-arc span      9623 days (26.35 yr)  
   first obs. used      1993-05-14  
   last obs. used      2019-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5198  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:10:10  

Additional Information
 Earth MOID = 1.7231 au 
 Jupiter MOID = 1.96138 au 
 T_jup = 3.219 
[ 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 13.3   n/a MPO449026  
diameter diameter 7.696 km 0.190 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.172   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11611 (1995 YQ)          Discovered 1995-Dec-18 by JPL/GEODSS NEAT at Haleakala
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 YQ = 1998 HQ120 = 1998 LD3 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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