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9810 Elanfiller (1998 RJ65)
Classification: Main-belt Asteroid          SPK-ID: 2009810
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .165604956028817 6.3858e-08  
a 2.255810671385863 1.4238e-08 AU
q 1.882237244341671 1.4642e-07 AU
i 3.903212719465067 6.7294e-06 deg
node 181.7834826231966 7.9354e-05 deg
peri 188.7856019011195 8.1553e-05 deg
M 277.0766038343486 2.3693e-05 deg
tp 2457285.553893171388
(2015-Sep-20.05389317)
8.3181e-05 JED
period 1237.520486217214
3.39
1.1717e-05
3.208e-08
d
yr
n .2909042751287524 2.7542e-09 deg/d
Q 2.629384098430056 1.6596e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1025  
   data-arc span      21820 days (59.74 yr)  
   first obs. used      1954-10-03  
   last obs. used      2014-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51507  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:16:12  

Additional Information
 Earth MOID = .88192 AU 
 T_jup = 3.602 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9 mag n/a MPO256937  

9810 Elanfiller           Discovered 1998 Sept. 14 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Elan Eng Filler (b. 1998) is a finalist in the 2012 Broadcom MASTERS, a math and science competition for middle-school students, for her biochemistry, medicine, health science and microbiology project. She attends the Rolling Hills Country Day School, Rolling Hills Estates, California.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20121029/MPCPages.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 1998 RJ65 = 1954 TT = 1954 UZ1 = 1964 PB = 1978 YS1 = 1981 SA6 = 1988 VQ = 1997 CG29 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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