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15328 (1993 RJ9)
Classification: Main-belt Asteroid          SPK-ID: 2015328
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1858745189703603 4.1421e-08  
a 2.423076635219006 1.4579e-08 au
q 1.972688431219354 1.0274e-07 au
i 1.20599269648994 4.8972e-06 deg
node 254.5206387456556 0.00025749 deg
peri 22.18330449258847 0.00025803 deg
M 28.08264074777152 1.6662e-05 deg
tp 2457293.030656687566
(2015-Sep-27.53065669)
6.3811e-05 JED
period 1377.682531353335
3.77
1.2434e-05
3.404e-08
d
yr
n .2613083869520812 2.3583e-09 deg/d
Q 2.873464839218658 1.7289e-08 au
  Orbit Determination Parameters
   # obs. used (total)      948  
   data-arc span      8566 days (23.45 yr)  
   first obs. used      1992-03-01  
   last obs. used      2015-08-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53764  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:43:14  

Additional Information
 Earth MOID = .954784 au 
 Jupiter MOID = 2.24164 au 
 T_jup = 3.488 
[ 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 14.9 mag n/a MPO253470  

15328 (1993 RJ9)          Discovered 1993-Sep-14 by Debehogne, H., Elst, E. W. at La Silla
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 RJ9 = 1992 EL15 = 1998 XE21 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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