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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1155649310562099 5.7218e-08  
a 3.178889339957459 3.3311e-08 AU
q 2.811521212549955 1.8715e-07 AU
i 13.04121878897264 6.1358e-06 deg
node 129.6774345062526 3.0693e-05 deg
peri 181.125407667216 4.4818e-05 deg
M 48.73402140288661 3.1355e-05 deg
tp 2456720.252794445240
(2014-Mar-03.75279445)
0.00018082 JED
period 2070.196365813097
5.67
3.254e-05
8.909e-08
d
yr
n .1738965471802504 2.7334e-09 deg/d
Q 3.546257467364964 3.7161e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      966  
   data-arc span      11642 days (31.87 yr)  
   first obs. used      1983-01-09  
   last obs. used      2014-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51434  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 00:22:01  

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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