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13021 (1988 RY5)
Classification: Main-belt Asteroid          SPK-ID: 2013021
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09053419071485881 5.2079e-08  
a 2.828042059473922 2.1223e-08 AU
q 2.572007560311868 1.4727e-07 AU
i 1.996011961519005 5.7122e-06 deg
node 184.8889731808978 0.0001382 deg
peri 166.03084226 0.00014103 deg
M 174.6449060195854 3.1113e-05 deg
tp 2456157.785153597387
(2012-Aug-18.28515360)
0.00014661 JED
period 1737.109610691529
4.76
1.9554e-05
5.354e-08
d
yr
n .2072408084005055 2.3328e-09 deg/d
Q 3.084076558635976 2.3144e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1278  
   data-arc span      12967 days (35.50 yr)  
   first obs. used      1979-11-16  
   last obs. used      2015-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53017  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:16:32  

Additional Information
 Earth MOID = 1.56638 AU 
 T_jup = 3.307 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.3 mag n/a MPO337368  

13021 (1988 RY5)          Discovered 1988-Sep-03 by Debehogne, H. at La Silla
Reference: 20000124/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1988 RY5 = 1979 WB2 = 1991 FD7 = 1993 SR2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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