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7585 (1991 PK8)
Classification: Main-belt Asteroid          SPK-ID: 2007585
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1158428774163135 7.8807e-08  
a 3.179782709043936 4.9306e-08 AU
q 2.811427530469646 2.596e-07 AU
i 13.03955643746688 8.3384e-06 deg
node 129.6817391281386 3.8299e-05 deg
peri 181.2966324139902 5.765e-05 deg
M 304.2841130507859 4.8665e-05 deg
tp 2456721.031812790693
(2014-Mar-04.53181279)		 0.00028357 JED
period 2071.069113731069
5.67		 4.8171e-05
1.319e-07		 d
yr
n .1738232672261977 4.043e-09 deg/d
Q 3.548137887618226 5.5017e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      833  
   data-arc span      11062 days (30.29 yr)  
   first obs. used      1983-01-09  
   last obs. used      2013-04-23  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .55912  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 13:27:00  

Additional Information
 Earth MOID = 1.79696 AU 
 T_jup = 3.149 
[ 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 12.0 mag n/a PDS3 (MPC 29597)  

7585 (1991 PK8)          Discovered 1991-Aug-05 by Holt, H. E. at Palomar (675)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1991 PK8 = 1983 AJ2 = 1994 AV 
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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