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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1855705372348519 4.7676e-08  
a 2.424226950040751 1.896e-08 AU
q 1.974361852542482 1.1285e-07 AU
i 1.206261473931074 5.1795e-06 deg
node 254.5731497039852 0.00030822 deg
peri 21.9314788291571 0.00030897 deg
M 231.5059314438767 2.4057e-05 deg
tp 2457292.583631555047
(2015-Sep-27.08363156)
9.4364e-05 JED
period 1378.663695145131
3.77
1.6174e-05
4.428e-08
d
yr
n .2611224196790813 3.0634e-09 deg/d
Q 2.87409204753902 2.2478e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      842  
   data-arc span      8001 days (21.91 yr)  
   first obs. used      1992-03-01  
   last obs. used      2014-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55433  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Feb-19 18:22:57  

Additional Information
 Earth MOID = .95757 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 (809)
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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