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27495 Heatherfennell (2000 GD114)
Classification: Main-belt Asteroid          SPK-ID: 2027495
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03515266242148898 4.8092e-08  
a 2.781827016159254 2.2297e-08 au
q 2.68403839014523 1.3978e-07 au
i 3.777146222699358 6.554e-06 deg
node 341.2655818143932 7.717e-05 deg
peri 303.3734247014668 0.00012279 deg
M 63.93729867720891 9.3698e-05 deg
tp 2457099.514627145153
(2015-Mar-18.01462715)
0.00044178 JED
period 1694.703036716954
4.64
2.0375e-05
5.578e-08
d
yr
n .2124265975810171 2.554e-09 deg/d
Q 2.879615642173279 2.3081e-08 au
  Orbit Determination Parameters
   # obs. used (total)      870  
   data-arc span      7587 days (20.77 yr)  
   first obs. used      1995-03-02  
   last obs. used      2015-12-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5328  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 14:04:03  

Additional Information
 Earth MOID = 1.66836 au 
 Jupiter MOID = 2.17449 au 
 T_jup = 3.329 
[ 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 14.3 mag n/a MPO347728  
rotation period rot_per 4.9165 h n/a LCDB (Rev. 2015-December); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

27495 Heatherfennell           Discovered 2000 Apr. 7 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Heather Fennell mentored a finalist in the 2011 Broadcom MASTERS, a math and science competition for middle-school students. She teaches at the Topsail Middle School, Hampstead, North Carolina.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20111210/MPCPages.arcLast Updated: 2011-12-12
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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