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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03494174136184718 5.248e-08  
a 2.781404223022478 2.7484e-08 AU
q 2.684217116038877 1.5799e-07 AU
i 3.777163436995171 6.9787e-06 deg
node 341.267551520548 9.0753e-05 deg
peri 303.589661958586 0.00014373 deg
M 338.7619569241451 0.00011315 deg
tp 2457100.455475153308
(2015-Mar-18.95547515)
0.00053282 JED
period 1694.316699832877
4.64
2.5113e-05
6.876e-08
d
yr
n .2124750349421152 3.1493e-09 deg/d
Q 2.878591330006079 2.8444e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      739  
   data-arc span      7057 days (19.32 yr)  
   first obs. used      1995-03-02  
   last obs. used      2014-06-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55154  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:55:33  

Additional Information
 Earth MOID = 1.67153 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 14.2 mag n/a MPO299155  
rotation period rot_per 4.9165 h n/a LCDB (Rev. 2015-July); 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., in press.]

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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