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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 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1603961868246065 6.6538e-08  
a 3.094124444069259 4.3324e-08 AU
q 2.597838681679744 2.1891e-07 AU
i 1.402138430676713 1.1148e-05 deg
node 31.01670521740196 0.00028492 deg
peri 256.6763420769626 0.00028665 deg
M 17.65875060870641 3.6266e-05 deg
tp 2456302.986989516193
(2013-Jan-10.48698952)		 0.00019997 JED
period 1987.948329530323
5.44		 4.1753e-05
1.143e-07		 d
yr
n .1810912258896862 3.8034e-09 deg/d
Q 3.590410206458773 5.0273e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      580  
   data-arc span      7926 days (21.70 yr)  
   first obs. used      1991-08-05  
   last obs. used      2013-04-17  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .57504  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 13:54:21  

Additional Information
 Earth MOID = 1.58202 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 13.8 mag n/a PDS3 (MPC 39041)  

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

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