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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1421119989613986 4.8235e-08  
a 3.256026113598162 2.4132e-08 au
q 2.793305733924213 1.547e-07 au
i 2.387193592334532 5.5841e-06 deg
node 116.9736484912827 0.00013551 deg
peri 256.6622131639434 0.00013769 deg
M 109.1406462610869 2.1463e-05 deg
tp 2456749.899689618449
(2014-Apr-02.39968962)
0.00012849 JED
period 2146.002610036458
5.88
2.3857e-05
6.532e-08
d
yr
n .1677537568297198 1.8649e-09 deg/d
Q 3.718746493272111 2.7561e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1315  
   data-arc span      21976 days (60.17 yr)  
   first obs. used      1955-10-20  
   last obs. used      2015-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53823  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:14:35  

Additional Information
 Earth MOID = 1.79342 au 
 Jupiter MOID = 1.74028 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 13.2 mag n/a MPO358733  

10485 (1984 SY5)          Discovered 1984-Sep-21 by Debehogne, H. at La Silla
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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