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5503 (1985 CE2)
Classification: Main-belt Asteroid          SPK-ID: 2005503
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09972564977661984 5.0423e-08  
a 2.549096287443849 1.4875e-08 au
q 2.294886003835342 1.2647e-07 au
i 5.437616006330992 5.2505e-06 deg
node 160.5691946493829 5.5886e-05 deg
peri 325.4912661388815 6.3879e-05 deg
M 289.1927527723409 3.4638e-05 deg
tp 2457892.883592160246
(2017-May-19.38359216)
0.0001442 JED
period 1486.544065740378
4.07
1.3012e-05
3.562e-08
d
yr
n .242172437599891 2.1197e-09 deg/d
Q 2.803306571052356 1.6358e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1466  
   data-arc span      11250 days (30.80 yr)  
   first obs. used      1985-02-13  
   last obs. used      2015-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48786  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 12:56:35  

Additional Information
 Earth MOID = 1.31091 au 
 Jupiter MOID = 2.24461 au 
 T_jup = 3.428 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.0 mag n/a MPO347568  

5503 (1985 CE2)          Discovered 1985-Feb-13 by Debehogne, H. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1985 CE2 = 1987 SC7 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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