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13965 (1991 PL8)
Classification: Main-belt Asteroid          SPK-ID: 2013965
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1601671687928272 5.1282e-08  
a 3.092863042958614 3.5582e-08 AU
q 2.597487925903965 1.5997e-07 AU
i 1.402251077937986 9.4095e-06 deg
node 31.01135712506179 0.00025891 deg
peri 256.5781293417207 0.00026073 deg
M 90.22964433974379 3.1093e-05 deg
tp 2456302.549462675697
(2013-Jan-10.04946268)
0.00017308 JED
period 1986.732794399245
5.44
3.4285e-05
9.387e-08
d
yr
n .1812020222421798 3.127e-09 deg/d
Q 3.588238160013264 4.1281e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      639  
   data-arc span      8205 days (22.46 yr)  
   first obs. used      1991-08-05  
   last obs. used      2014-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5663  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 20:47:44  

Additional Information
 Earth MOID = 1.58097 AU 
 T_jup = 3.204 
[ 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 14.0 mag n/a MPO267762  

13965 (1991 PL8)          Discovered 1991-Aug-05 by Holt, H. E. at Palomar (675)
Reference: 20000320/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 PL8 = 1991 RZ38 = 1995 DN8 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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