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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1857199312256239 4.1439e-08  
a 2.422948805934193 1.4663e-08 AU
q 1.972958920332887 1.0273e-07 AU
i 1.206030411385997 4.8974e-06 deg
node 254.5309590847789 0.00025768 deg
peri 22.14119257641785 0.00025822 deg
M 283.5710581882901 1.675e-05 deg
tp 2457292.962460832059
(2015-Sep-27.46246083)
6.3899e-05 JED
period 1377.57351343323
3.77
1.2505e-05
3.424e-08
d
yr
n .2613290662817676 2.3722e-09 deg/d
Q 2.872938691535499 1.7386e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      927  
   data-arc span      8501 days (23.27 yr)  
   first obs. used      1992-03-01  
   last obs. used      2015-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54335  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:16:14  

Additional Information
 Earth MOID = .958031 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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