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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09990047812987889 5.5958e-08  
a 2.549198763867489 1.6295e-08 AU
q 2.294532588509031 1.3854e-07 AU
i 5.43713089524354 5.3874e-06 deg
node 160.5725464221013 6.6203e-05 deg
peri 325.3133247476488 7.4071e-05 deg
M 144.1142200222329 3.5047e-05 deg
tp 2456405.374841006441
(2013-Apr-22.87484101)
0.00014325 JED
period 1486.633707656532
4.07
1.4254e-05
3.903e-08
d
yr
n .2421578349434099 2.3219e-09 deg/d
Q 2.803864939225947 1.7923e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1259  
   data-arc span      10755 days (29.45 yr)  
   first obs. used      1985-02-13  
   last obs. used      2014-07-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49453  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:06:07  

Additional Information
 Earth MOID = 1.31217 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 12.9 mag n/a MPO263397  

5503 (1985 CE2)          Discovered 1985-Feb-13 by Debehogne, H. at La Silla (809)
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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