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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .142414383514595 5.9757e-08  
a 3.252514138233409 2.5088e-08 AU
q 2.789309342364394 1.9749e-07 AU
i 2.38761122482494 6.6973e-06 deg
node 116.9747800718158 0.00016389 deg
peri 256.1660025722077 0.00016607 deg
M 8.829962524069455 2.5319e-05 deg
tp 2456747.948686436946
(2014-Mar-31.44868644)
0.00015061 JED
period 2142.531503517695
5.87
2.4789e-05
6.787e-08
d
yr
n .1680255340044883 1.9441e-09 deg/d
Q 3.715718934102425 2.8661e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1000  
   data-arc span      21230 days (58.12 yr)  
   first obs. used      1955-10-20  
   last obs. used      2013-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58268  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Dec-20 00:16:43  

Additional Information
 Earth MOID = 1.78964 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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