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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1601671462319257 5.4565e-08  
a 3.092863076755828 3.5946e-08 AU
q 2.597488024065754 1.6981e-07 AU
i 1.402248023569178 9.8412e-06 deg
node 31.01137843586704 0.00027439 deg
peri 256.5780982080275 0.00027616 deg
M 90.22965136742752 3.2369e-05 deg
tp 2456302.549415729982
(2013-Jan-10.04941573)
0.00017961 JED
period 1986.732826964234
5.44
3.4636e-05
9.483e-08
d
yr
n .1812020192720563 3.159e-09 deg/d
Q 3.588238129445902 4.1704e-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      .5823  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Feb-19 18:20:27  

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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