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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .115474125211881 4.8251e-08  
a 3.177432357515352 2.916e-08 au
q 2.810521135611341 1.5001e-07 au
i 13.04164351065653 5.3179e-06 deg
node 129.673458007315 2.7205e-05 deg
peri 180.8776082302268 3.8712e-05 deg
M 153.3897986093967 2.7651e-05 deg
tp 2456719.031343444094
(2014-Mar-02.53134344)
0.00015825 JED
period 2068.773277212495
5.66
2.8479e-05
7.797e-08
d
yr
n .1740161688887779 2.3955e-09 deg/d
Q 3.544343579419361 3.2528e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1143  
   data-arc span      12122 days (33.19 yr)  
   first obs. used      1983-01-09  
   last obs. used      2016-03-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51539  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 15:56:58  

Additional Information
 Earth MOID = 1.79563 au 
 Jupiter MOID = 1.73231 au 
 T_jup = 3.150 
[ 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 12.2 mag n/a MPO350863  

7585 (1991 PK8)          Discovered 1991-Aug-05 by Holt, H. E. at Palomar
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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