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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1517191389752289 4.7662e-08  
a 3.167013048443122 3.091e-08 AU
q 2.686516555610017 1.5428e-07 AU
i .08575616247324906 6.4706e-06 deg
node 147.349107503245 0.0040164 deg
peri 130.6396773657392 0.0040169 deg
M 105.1678518945736 2.4658e-05 deg
tp 2456399.113453291053
(2013-Apr-16.61345329)
0.0001397 JED
period 2058.605865909025
5.64
3.0138e-05
8.251e-08
d
yr
n .1748756311063136 2.5602e-09 deg/d
Q 3.647509541276227 3.56e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      993  
   data-arc span      11117 days (30.44 yr)  
   first obs. used      1984-04-28  
   last obs. used      2014-10-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5178  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:25:27  

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

[ 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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