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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1155649092672729 6.4575e-08  
a 3.178889349772025 3.6013e-08 AU
q 2.811521290494921 2.157e-07 AU
i 13.04121806272811 6.4748e-06 deg
node 129.6774378211515 3.2029e-05 deg
peri 181.1254080973772 4.6207e-05 deg
M 48.73401460527454 3.2988e-05 deg
tp 2456720.252832237356
(2014-Mar-03.75283224)
0.00018964 JED
period 2070.196375400445
5.67
3.518e-05
9.632e-08
d
yr
n .1738965463749129 2.9551e-09 deg/d
Q 3.54625740904913 4.0175e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      926  
   data-arc span      11559 days (31.65 yr)  
   first obs. used      1983-01-09  
   last obs. used      2014-09-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52036  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 13:52:02  

Additional Information
 Earth MOID = 1.7981 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 12.1 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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