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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1859684204903143 4.1414e-08  
a 2.423206806751537 1.463e-08 au
q 1.972566864378575 1.0277e-07 au
i 1.206024913578307 4.8975e-06 deg
node 254.5091799791061 0.00025748 deg
peri 22.19223436819286 0.00025802 deg
M 80.33504274973835 1.6643e-05 deg
tp 2457293.041378547845
(2015-Sep-27.54137855)
6.3786e-05 JED
period 1377.793549791027
3.77
1.2478e-05
3.416e-08
d
yr
n .2612873315124766 2.3663e-09 deg/d
Q 2.873846749124499 1.7351e-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 = .956012 au 
 Jupiter MOID = 2.2425 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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