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JPL Small-Body Database Browser
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233021 (2005 EY257)
Classification: Main-belt Asteroid          SPK-ID: 2233021
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06253670889787569 7.7271e-08  
a 2.96820322076452 3.6674e-08 au
q 2.782581559997832 2.3149e-07 au
i 3.658504072596985 1.0868e-05 deg
node 212.7926189663228 0.00011521 deg
peri 91.51929889533974 0.00014896 deg
M 162.7815819229453 9.4667e-05 deg
tp 2457755.918355102759
(2017-Jan-02.41835510)
0.00049295 TDB
period 1867.836573224434
5.11
3.4617e-05
9.478e-08
d
yr
n .1927363481155819 3.572e-09 deg/d
Q 3.153824881531208 3.8967e-08 au
  Orbit Determination Parameters
   # obs. used (total)      200  
   data-arc span      8652 days (23.69 yr)  
   first obs. used      1995-04-24  
   last obs. used      2018-12-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65322  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:10:12  

Additional Information
 Earth MOID = 1.76981 au 
 Jupiter MOID = 1.9892 au 
 T_jup = 3.258 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO470481  

233021 (2005 EY257)          Discovered 2005-Mar-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Alternate Designations
 2005 EY257 = 1995 HO 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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