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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1517191498616961 4.6135e-08  
a 3.167013038675228 3.0127e-08 AU
q 2.686516512846515 1.4792e-07 AU
i .08575451332959706 6.2887e-06 deg
node 147.349402126295 0.0040125 deg
peri 130.63938704472 0.004013 deg
M 105.1678508235029 2.4602e-05 deg
tp 2456399.113462198060
(2013-Apr-16.61346220)
0.00013923 JED
period 2058.605856385109
5.64
2.9374e-05
8.042e-08
d
yr
n .1748756319153567 2.4953e-09 deg/d
Q 3.64750956450394 3.4698e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1073  
   data-arc span      11143 days (30.51 yr)  
   first obs. used      1984-04-28  
   last obs. used      2014-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49753  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:20:00  

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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