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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1423357905686148 5.6614e-08  
a 3.252400303506743 3.0858e-08 AU
q 2.789467335061508 1.9153e-07 AU
i 2.38759745406983 6.4132e-06 deg
node 116.9753311622486 0.0001523 deg
peri 256.2013523188604 0.00015434 deg
M 42.4122932115422 2.379e-05 deg
tp 2456748.097489269562
(2014-Mar-31.59748927)
0.00014113 JED
period 2142.419024827204
5.87
3.049e-05
8.348e-08
d
yr
n .1680343554776992 2.3914e-09 deg/d
Q 3.715333271951978 3.525e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1013  
   data-arc span      21533 days (58.95 yr)  
   first obs. used      1955-10-20  
   last obs. used      2014-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55952  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:18:11  

Additional Information
 Earth MOID = 1.79116 AU 
 T_jup = 3.164 
[ 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 13.0 mag n/a MPO263443  

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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