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10485 (1984 SY5)
Classification: Outer Main-belt Asteroid          SPK-ID: 2010485
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1427743626237096 6.9383e-08  
a 3.254044486533745 2.9351e-08 AU
q 2.789450359019693 2.2224e-07 AU
i 2.387472641517514 7.0118e-06 deg
node 116.9727362135066 0.00018515 deg
peri 256.0910186651746 0.00018761 deg
M 301.722186978916 3.0494e-05 deg
tp 2456747.583845658711
(2014-Mar-31.08384566)		 0.00018339 JED
period 2144.043812898932
5.87		 2.9009e-05
7.942e-08		 d
yr
n .1679070165610324 2.2718e-09 deg/d
Q 3.718638614047797 3.3542e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      955  
   data-arc span      20989 days (57.46 yr)  
   first obs. used      1955-10-20  
   last obs. used      2013-04-07  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .56949  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 13:40:15  

Additional Information
 Earth MOID = 1.79055 AU 
 T_jup = 3.163 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.9 mag n/a PDS3 (MPC 34432)  

10485 (1984 SY5)          Discovered 1984-Sep-21 by Debehogne, H. at La Silla (809)
Reference: 19990504/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1984 SY5 = 1955 UK = 1990 TO8 = 1990 UW12 
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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