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JPL Small-Body Database Browser
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214265 (2005 GU31)
Classification: Main-belt Asteroid          SPK-ID: 2214265
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3300818403734991 7.6266e-08  
a 2.557592301687484 2.3306e-08 au
q 1.713377527821386 2.0329e-07 au
i 7.382132508088717 9.6127e-06 deg
node 7.993026896128226 3.0734e-05 deg
peri 296.7011440176122 4.0242e-05 deg
M 83.61704474399554 2.1397e-05 deg
tp 2458253.493416436365
(2018-May-14.99341644)
9.1712e-05 TDB
period 1493.982123685124
4.09
2.0421e-05
5.591e-08
d
yr
n .2409667386862753 3.2937e-09 deg/d
Q 3.401807075553583 3.0999e-08 au
  Orbit Determination Parameters
   # obs. used (total)      502  
   data-arc span      5925 days (16.22 yr)  
   first obs. used      2002-11-01  
   last obs. used      2019-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5106  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:10:50  

Additional Information
 Earth MOID = .713725 au 
 Jupiter MOID = 1.92975 au 
 T_jup = 3.347 
[ 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 16.1   n/a MPO459956  
diameter diameter 1.642 km 0.243 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.666 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 0.286   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

214265 (2005 GU31)          Discovered 2005-Apr-04 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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