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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1855705818314604 4.7133e-08  
a 2.424226966511594 1.8846e-08 AU
q 1.974361757844521 1.1209e-07 AU
i 1.206262163637194 5.065e-06 deg
node 254.5728163885141 0.00029414 deg
peri 21.93180180010416 0.00029485 deg
M 231.5059318322058 2.3445e-05 deg
tp 2457292.583635082914
(2015-Sep-27.08363508)
9.202e-05 JED
period 1378.663709195643
3.77
1.6076e-05
4.401e-08
d
yr
n .2611224170178785 3.0449e-09 deg/d
Q 2.874092175178666 2.2343e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      851  
   data-arc span      8048 days (22.03 yr)  
   first obs. used      1992-03-01  
   last obs. used      2014-03-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55045  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 21:15:55  

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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