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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1424143541058349 5.7742e-08  
a 3.252514167961332 3.2202e-08 AU
q 2.789309463511042 1.9672e-07 AU
i 2.3876096959752 6.5381e-06 deg
node 116.9748196521165 0.00015258 deg
peri 256.1659360554133 0.00015463 deg
M 8.829982129464256 2.4265e-05 deg
tp 2456747.948569035423
(2014-Mar-31.44856904)
0.00014428 JED
period 2142.531532891747
5.87
3.1819e-05
8.712e-08
d
yr
n .1680255317008626 2.4954e-09 deg/d
Q 3.715718872411622 3.6788e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      998  
   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      .56232  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:50:00  

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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