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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1613596070201023 5.993e-08  
a 2.666678798523376 1.6547e-08 AU
q 2.236384555544806 1.5787e-07 AU
i 7.195813280676375 6.8911e-06 deg
node 146.0662745978164 3.7494e-05 deg
peri 248.7860445413471 4.299e-05 deg
M 82.64087265831238 2.0574e-05 deg
tp 2456635.370533374242
(2013-Dec-08.87053337)
9.0168e-05 JED
period 1590.576233733071
4.35
1.4805e-05
4.053e-08
d
yr
n .2263330687112572 2.1067e-09 deg/d
Q 3.096973041501947 1.9217e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1347  
   data-arc span      9519 days (26.06 yr)  
   first obs. used      1989-03-05  
   last obs. used      2015-03-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50929  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:32:04  

Additional Information
 Earth MOID = 1.2542 AU 
 T_jup = 3.353 
[ 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 12.9 mag n/a MPO313489  

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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