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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1423357836657544 5.342e-08  
a 3.252400307945432 2.855e-08 AU
q 2.789467361319278 1.7788e-07 AU
i 2.38759907444088 6.1712e-06 deg
node 116.9753544889308 0.00015025 deg
peri 256.2013300988721 0.0001523 deg
M 42.41229087847465 2.2969e-05 deg
tp 2456748.097502637333
(2014-Mar-31.59750264)
0.00013659 JED
period 2142.419029212979
5.87
2.821e-05
7.723e-08
d
yr
n .1680343551337138 2.2126e-09 deg/d
Q 3.715333254571586 3.2614e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1036  
   data-arc span      21565 days (59.04 yr)  
   first obs. used      1955-10-20  
   last obs. used      2014-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56236  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:12:18  

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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