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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .142335784414285 4.8719e-08  
a 3.25240030687555 2.514e-08 AU
q 2.789467357967157 1.574e-07 AU
i 2.38759967792186 5.6521e-06 deg
node 116.9753798190358 0.00013944 deg
peri 256.2013036039547 0.00014163 deg
M 42.41229237333189 2.1912e-05 deg
tp 2456748.097493865735
(2014-Mar-31.59749387)
0.00013077 JED
period 2142.419028155851
5.87
2.484e-05
6.801e-08
d
yr
n .1680343552166265 1.9483e-09 deg/d
Q 3.715333255783943 2.8718e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1243  
   data-arc span      21721 days (59.47 yr)  
   first obs. used      1955-10-20  
   last obs. used      2015-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54006  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:08:39  

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 13.1 mag n/a MPO319216  

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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