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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1155649248953216 5.7005e-08  
a 3.178889342812164 3.3231e-08 AU
q 2.811521234659538 1.863e-07 AU
i 13.04121929984825 6.1233e-06 deg
node 129.677430922332 3.0574e-05 deg
peri 181.1254127170768 4.4716e-05 deg
M 48.73401893120944 3.13e-05 deg
tp 2456720.252808281231
(2014-Mar-03.75280828)
0.00018053 JED
period 2070.196368601712
5.67
3.2462e-05
8.888e-08
d
yr
n .1738965469460066 2.7268e-09 deg/d
Q 3.546257450964791 3.7071e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      980  
   data-arc span      11644 days (31.88 yr)  
   first obs. used      1983-01-09  
   last obs. used      2014-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51462  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:09:36  

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
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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