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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1156817724366744 7.5763e-08  
a 3.17951978307611 4.0514e-08 AU
q 2.811707299072395 2.5597e-07 AU
i 13.04105462234134 7.1493e-06 deg
node 129.6769524136079 3.5178e-05 deg
peri 181.1986654742312 5.0525e-05 deg
M 13.89242015605801 3.7885e-05 deg
tp 2456720.587239560773
(2014-Mar-04.08723956)
0.00021762 JED
period 2070.812244011824
5.67
3.958e-05
1.084e-07
d
yr
n .173844828782046 3.3228e-09 deg/d
Q 3.547332267079824 4.5201e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      885  
   data-arc span      11132 days (30.48 yr)  
   first obs. used      1983-01-09  
   last obs. used      2013-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55727  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 15:45:00  

Additional Information
 Earth MOID = 1.79637 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 12.1 mag n/a MPO265998  

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

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