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

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1861063092986558 3.2496e-08  
a 2.422899205989062 8.5271e-09 au
q 1.971982376959794 7.891e-08 au
i 1.206814743721653 4.1599e-06 deg
node 254.5030383686523 0.00016738 deg
peri 22.03248311165899 0.00016775 deg
M 138.6713198380005 1.2617e-05 deg
tp 2458669.877579224232
(2019-Jul-05.37757922)		 4.7335e-05 TDB
period 1377.531213393194
3.77		 7.2721e-06
1.991e-08		 d
yr
n .2613370909492733 1.3796e-09 deg/d
Q 2.873816035018331 1.0114e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1399  
   data-arc span      10550 days (28.88 yr)  
   first obs. used      1992-03-01  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52554  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:23:23  

Additional Information
 Earth MOID = .953777 au 
 Jupiter MOID = 2.24762 au 
 T_jup = 3.488 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO435843  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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