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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1517191675928898 4.4068e-08  
a 3.167013024040647 2.8889e-08 AU
q 2.686516444277359 1.3941e-07 AU
i .08575235585117455 5.9449e-06 deg
node 147.3497980637182 0.0040087 deg
peri 130.6389977862742 0.0040092 deg
M 105.1678482411175 2.4529e-05 deg
tp 2456399.113481133500
(2013-Apr-16.61348113)
0.00013861 JED
period 2058.605842116064
5.64
2.8168e-05
7.712e-08
d
yr
n .1748756331274918 2.3928e-09 deg/d
Q 3.647509603803934 3.3272e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1138  
   data-arc span      11182 days (30.61 yr)  
   first obs. used      1984-04-28  
   last obs. used      2014-12-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50496  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 02:20:09  

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 (675)
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

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