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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09053419325472087 5.3722e-08  
a 2.828042061469225 2.4003e-08 AU
q 2.572007554943691 1.4975e-07 AU
i 1.99601212029454 5.7278e-06 deg
node 184.8890432475617 0.00016713 deg
peri 166.0307693948563 0.00017029 deg
M 174.6449080039948 3.3452e-05 deg
tp 2456157.785143130151
(2012-Aug-18.28514313)
0.00016009 JED
period 1737.109612529935
4.76
2.2116e-05
6.055e-08
d
yr
n .2072408081811798 2.6384e-09 deg/d
Q 3.084076567994758 2.6176e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1135  
   data-arc span      12490 days (34.20 yr)  
   first obs. used      1979-11-16  
   last obs. used      2014-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53187  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 20:32:07  

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 13.2 mag n/a MPO250341  

13021 (1988 RY5)          Discovered 1988-Sep-03 by Debehogne, H. at La Silla (809)
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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