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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1517191653606885 4.3845e-08  
a 3.167013025440238 2.8765e-08 AU
q 2.686516452534016 1.3845e-07 AU
i .08575211086052807 5.8712e-06 deg
node 147.3497857621808 0.0040075 deg
peri 130.639008740793 0.004008 deg
M 105.1678491033404 2.45e-05 deg
tp 2456399.113475804353
(2013-Apr-16.61347580)
0.0001384 JED
period 2058.605843480696
5.64
2.8046e-05
7.679e-08
d
yr
n .1748756330115682 2.3825e-09 deg/d
Q 3.647509598346459 3.3129e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1227  
   data-arc span      11261 days (30.83 yr)  
   first obs. used      1984-04-28  
   last obs. used      2015-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49699  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:47:07  

Additional Information
 Earth MOID = 1.67148 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
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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