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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 ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1654616977881671 6.3444e-08  
a 2.255648226298741 8.3841e-09 au
q 1.882424841162484 1.4451e-07 au
i 3.903548708988214 6.3601e-06 deg
node 181.7801478049591 6.1089e-05 deg
peri 188.7473737997429 6.2748e-05 deg
M 33.46808068543979 1.2238e-05 deg
tp 2457285.463995154820
(2015-Sep-19.96399515)
4.2155e-05 JED
period 1237.386814424684
3.39
6.899e-06
1.889e-08
d
yr
n .2909357007876151 1.6221e-09 deg/d
Q 2.628871611434999 9.7714e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1250  
   data-arc span      22354 days (61.20 yr)  
   first obs. used      1954-10-03  
   last obs. used      2015-12-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49498  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:11:59  

Additional Information
 Earth MOID = .880289 au 
 Jupiter MOID = 2.82739 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 14.0 mag n/a MPO358726  

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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