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JPL Small-Body Database Browser
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172876 (2005 EY168)
Classification: Main-belt Asteroid          SPK-ID: 2172876
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07649719445953501 4.0817e-08  
a 2.641999354135804 2.1753e-08 au
q 2.439893815780512 1.0712e-07 au
i 1.589007096034432 5.1074e-06 deg
node 321.4932376336247 0.00022499 deg
peri 342.5081132903994 0.00023084 deg
M 88.80838554330221 4.9101e-05 deg
tp 2458613.555247135151
(2019-May-10.05524713)
0.00021493 TDB
period 1568.546823356272
4.29
1.9372e-05
5.304e-08
d
yr
n .229511796931695 2.8346e-09 deg/d
Q 2.844104892491097 2.3417e-08 au
  Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      7163 days (19.61 yr)  
   first obs. used      2000-02-06  
   last obs. used      2019-09-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58035  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:45:50  

Additional Information
 Earth MOID = 1.42469 au 
 Jupiter MOID = 2.31323 au 
 T_jup = 3.390 
[ 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 16.5   n/a MPO439991  

172876 (2005 EY168)          Discovered 2005-Mar-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Alternate Designations
 2005 EY168 = 2000 CH141 = 2002 RQ168 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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