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JPL Small-Body Database Browser
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27495 Heatherfennell (2000 GD114)
Classification: Main-belt Asteroid          SPK-ID: 2027495
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03586115192019419 3.6274e-08  
a 2.782961220406248 1.5854e-08 au
q 2.683161025293251 1.04e-07 au
i 3.775050279102685 4.7061e-06 deg
node 341.2081450678178 6.0086e-05 deg
peri 301.5873243541031 8.8734e-05 deg
M 320.7591419014312 6.5836e-05 deg
tp 2458785.339656934762
(2019-Oct-28.83965693)
0.00031028 TDB
period 1695.739586768648
4.64
1.449e-05
3.967e-08
d
yr
n .2122967481616711 1.8141e-09 deg/d
Q 2.882761415519246 1.6422e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1160  
   data-arc span      8831 days (24.18 yr)  
   first obs. used      1995-03-02  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52422  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:28:05  

Additional Information
 Earth MOID = 1.66863 au 
 Jupiter MOID = 2.17198 au 
 T_jup = 3.328 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3   n/a MPO435954  
diameter diameter 8.264 km 0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.916 h n/a LCDB (Rev. 2019-January); 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.]
geometric albedo albedo 0.059   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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