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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09990047735338604 5.5935e-08  
a 2.549198764170714 1.6285e-08 AU
q 2.294532590761398 1.3846e-07 AU
i 5.437131051663646 5.3744e-06 deg
node 160.5725465727827 6.6202e-05 deg
peri 325.3133244267512 7.4069e-05 deg
M 144.1142200314325 3.5047e-05 deg
tp 2456405.374840862266
(2013-Apr-22.87484086)
0.00014325 JED
period 1486.633707921783
4.07
1.4245e-05
3.9e-08
d
yr
n .2421578349002032 2.3204e-09 deg/d
Q 2.80386493758003 1.7912e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1262  
   data-arc span      10770 days (29.49 yr)  
   first obs. used      1985-02-13  
   last obs. used      2014-08-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49476  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 13:48:00  

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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