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8512 (1991 PC11)
Classification: Main-belt Asteroid          SPK-ID: 2008512
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1627609700430738 5.6858e-08  
a 2.663710063321455 1.5962e-08 au
q 2.230162029501757 1.5056e-07 au
i 7.197638255287517 6.4738e-06 deg
node 146.0634197443404 3.683e-05 deg
peri 248.5773271306325 4.1583e-05 deg
M 218.740999734913 2.0143e-05 deg
tp 2458223.578092330096
(2018-Apr-15.07809233)
9.1189e-05 JED
period 1587.92086039047
4.35
1.4273e-05
3.908e-08
d
yr
n .2267115502919181 2.0378e-09 deg/d
Q 3.097258097141153 1.856e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1454  
   data-arc span      9904 days (27.12 yr)  
   first obs. used      1989-03-05  
   last obs. used      2016-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50927  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:02:35  

Additional Information
 Earth MOID = 1.24675 au 
 Jupiter MOID = 2.36929 au 
 T_jup = 3.354 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.0 mag n/a MPO337328  

8512 (1991 PC11)          Discovered 1991-Aug-07 by Holt, H. E. at Palomar
Reference: 19980313/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 PC11 = 1989 ES10 = 1996 XT32 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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