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312951 (1995 YQ11)
Classification: Main-belt Asteroid          SPK-ID: 2312951
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04219169979289369 1.0084e-07  
a 3.056063268980393 4.5999e-08 au
q 2.927122764987483 3.2945e-07 au
i 12.48711893194445 7.5446e-06 deg
node 285.1679873951232 4.4021e-05 deg
peri 78.1121975970519 0.00010924 deg
M 315.5742587286736 0.00010191 deg
tp 2459241.309779904780
(2021-Jan-26.80977990)
0.00055472 TDB
period 1951.380399851064
5.34
4.4057e-05
1.206e-07
d
yr
n .1844847883208607 4.1652e-09 deg/d
Q 3.185003772973303 4.794e-08 au
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      8596 days (23.53 yr)  
   first obs. used      1995-12-18  
   last obs. used      2019-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61238  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:02:34  

Additional Information
 Earth MOID = 1.95231 au 
 Jupiter MOID = 2.10913 au 
 T_jup = 3.198 
[ 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 15.8   n/a MPO241771  
diameter diameter 3.476 km 0.698 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.070   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

312951 (1995 YQ11)          Discovered 1995-Dec-18 by Spacewatch at Kitt Peak
Reference: 20120207/Numbers.arcLast Updated: 2012-02-09

[ show close-approach data ]
Alternate Designations
 1995 YQ11 = 2004 PE106 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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