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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1857199665383525 4.6188e-08  
a 2.422948824343828 1.8097e-08 AU
q 1.972958849762552 1.1053e-07 AU
i 1.206031785410435 5.0241e-06 deg
node 254.5311119834355 0.00029367 deg
peri 22.14105715791473 0.00029435 deg
M 283.571030545635 2.3013e-05 deg
tp 2457292.962569942460
(2015-Sep-27.46256994)
8.9248e-05 JED
period 1377.573529133495
3.77
1.5434e-05
4.226e-08
d
yr
n .2613290633033889 2.9279e-09 deg/d
Q 2.872938798925105 2.1458e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      862  
   data-arc span      8385 days (22.96 yr)  
   first obs. used      1992-03-01  
   last obs. used      2015-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55062  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:42:02  

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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