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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09124860279545542 5.2042e-08  
a 2.826826786444379 2.0707e-08 au
q 2.568882791836562 1.4735e-07 au
i 1.997093203699101 5.7034e-06 deg
node 184.8864412576708 0.00013671 deg
peri 166.0064295826482 0.00013952 deg
M 299.1204414396322 3.1419e-05 deg
tp 2457894.073072218403
(2017-May-20.57307222)
0.00015301 JED
period 1735.990018617284
4.75
1.9075e-05
5.222e-08
d
yr
n .2073744642188323 2.2786e-09 deg/d
Q 3.084770781052195 2.2597e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1293  
   data-arc span      13023 days (35.66 yr)  
   first obs. used      1979-11-16  
   last obs. used      2015-07-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53509  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:37:31  

Additional Information
 Earth MOID = 1.562 au 
 Jupiter MOID = 2.28413 au 
 T_jup = 3.308 
[ 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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