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13536 (1991 RA15)
Classification: Main-belt Asteroid          SPK-ID: 2013536
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 .1517274218982008 5.1298e-08  
a 3.167654978581327 3.2821e-08 AU
q 2.687034855218181 1.692e-07 AU
i .08571290405908163 6.7426e-06 deg
node 147.2949084099446 0.0040359 deg
peri 130.7691212865785 0.0040364 deg
M 70.11832696483798 2.4731e-05 deg
tp 2456399.416977160666
(2013-Apr-16.91697716)
0.00014091 JED
period 2059.231793915549
5.64
3.2004e-05
8.762e-08
d
yr
n .1748224755773968 2.717e-09 deg/d
Q 3.648275101944472 3.78e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      959  
   data-arc span      11021 days (30.17 yr)  
   first obs. used      1984-04-28  
   last obs. used      2014-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52019  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:30:43  

Additional Information
 Earth MOID = 1.67012 AU 
 T_jup = 3.185 
[ 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 13.1 mag n/a PDS3 (MPC 38326)  

13536 (1991 RA15)          Discovered 1991-Sep-15 by Holt, H. E. at Palomar (675)
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RA15 = 1984 HQ1 = 1989 EM9 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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