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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1857199312286626 4.1438e-08  
a 2.422948805957646 1.4659e-08 AU
q 1.972958920344622 1.0273e-07 AU
i 1.206030422666794 4.8972e-06 deg
node 254.5309567863252 0.00025748 deg
peri 22.14119491572376 0.00025802 deg
M 283.5710581284091 1.6735e-05 deg
tp 2457292.962461065445
(2015-Sep-27.46246107)
6.3841e-05 JED
period 1377.573513453231
3.77
1.2502e-05
3.423e-08
d
yr
n .2613290662779733 2.3716e-09 deg/d
Q 2.87293869157067 1.7381e-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 = .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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