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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08291237201533357 4.8282e-08  
a 2.98838230808542 1.6637e-08 au
q 2.740608442433401 1.5165e-07 au
i 11.83148519506828 4.4844e-06 deg
node 117.3776990120594 2.1674e-05 deg
peri 178.3121713722487 3.6626e-05 deg
M 28.10492308454774 2.855e-05 deg
tp 2458853.189887181898
(2020-Jan-04.68988718)
0.00014984 TDB
period 1886.916411583202
5.17
1.5757e-05
4.314e-08
d
yr
n .1907874656185458 1.5932e-09 deg/d
Q 3.23615617373744 1.8016e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1477  
   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      .52048  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:06:00  

Additional Information
 Earth MOID = 1.72469 au 
 Jupiter MOID = 1.96608 au 
 T_jup = 3.220 
[ 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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