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11460 Juliafang (1981 EZ15)
Classification: Main-belt Asteroid          SPK-ID: 2011460
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1126818929515788 3.5492e-08  
a 2.243177152219232 9.925e-09 au
q 1.990411704481437 8.3409e-08 au
i 5.09708575415419 4.0667e-06 deg
node 303.1200275942482 4.5538e-05 deg
peri 127.765742514976 5.0275e-05 deg
M 339.6114140747693 2.3022e-05 deg
tp 2459069.998973666099
(2020-Aug-08.49897367)
7.872e-05 TDB
period 1227.139077302752
3.36
8.1443e-06
2.23e-08
d
yr
n .293365280805236 1.947e-09 deg/d
Q 2.495942599957027 1.1043e-08 au
  Orbit Determination Parameters
   # obs. used (total)      767  
   data-arc span      14654 days (40.12 yr)  
   first obs. used      1979-09-18  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51024  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 03:31:33  

Additional Information
 Earth MOID = 1.00986 au 
 Jupiter MOID = 2.72532 au 
 T_jup = 3.619 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO435807  

11460 Juliafang           Discovered 1981 Mar. 1 by S. J. Bus at Siding Spring.
Julia Fang (b. 1987) completed her PhD work at UCLA using observational data and numerical integrations in the dynamical study of multiple asteroid systems, both in the near-Earth and main belt populations.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2017-03-12Last Updated: 2017-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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