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JPL Small-Body Database Browser
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154554 Heatherelliott (2003 GC52)
Classification: Main-belt Asteroid          SPK-ID: 2154554
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08301631275733781 5.4896e-08  
a 2.678140823336708 2.2224e-08 au
q 2.455811447138394 1.4853e-07 au
i 6.326534412238421 7.6384e-06 deg
node 12.5215601180567 4.5507e-05 deg
peri 300.8814469086892 6.1357e-05 deg
M 225.4967570254146 4.1976e-05 deg
tp 2459598.606877203789
(2022-Jan-19.10687720)
0.00018757 TDB
period 1600.842262472799
4.38
1.9927e-05
5.456e-08
d
yr
n .2248816191571011 2.7993e-09 deg/d
Q 2.900470199535022 2.4069e-08 au
  Orbit Determination Parameters
   # obs. used (total)      271  
   data-arc span      9039 days (24.75 yr)  
   first obs. used      1994-03-14  
   last obs. used      2018-12-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5417  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:10:58  

Additional Information
 Earth MOID = 1.44967 au 
 Jupiter MOID = 2.32925 au 
 T_jup = 3.364 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO432987  
diameter diameter 3.170 km 0.828 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

154554 Heatherelliott           Discovered 2003 Apr. 1 by M. W. Buie at Kitt Peak.
Heather A. Elliott (b. 1971) is a principal scientist at the Southwest Research Institute who served as a co-investigator for plasma and solar wind science for the New Horizons Mission to Pluto.
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 2018-09-25Last Updated: 2018-10-01

[ show close-approach data ]
Alternate Designations
 2003 GC52 = 2000 TJ8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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