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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08960602387703709 5.5874e-08  
a 2.83029604997702 2.1901e-08 AU
q 2.576684474543696 1.5692e-07 AU
i 1.993826111019086 5.9825e-06 deg
node 184.939635029835 0.00016766 deg
peri 166.0477805646556 0.00017104 deg
M 133.188260054824 3.448e-05 deg
tp 2456157.057609156129
(2012-Aug-17.55760916)
0.00016548 JED
period 1739.18677673576
4.76
2.0187e-05
5.527e-08
d
yr
n .2069932941162742 2.4026e-09 deg/d
Q 3.083907625410345 2.3863e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1136  
   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      .58337  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Feb-19 18:18:42  

Additional Information
 Earth MOID = 1.56942 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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