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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3302899352521548 6.4133e-08  
a 2.557475031028388 1.7854e-08 au
q 1.712766768621019 1.6825e-07 au
i 7.383078634616267 7.4298e-06 deg
node 7.961966612236874 2.9033e-05 deg
peri 296.787895954245 3.2823e-05 deg
M 228.0863324261485 1.4549e-05 deg
tp 2459747.897519025397
(2022-Jun-17.39751903)
5.9626e-05 TDB
period 1493.879371815795
4.09
1.5644e-05
4.283e-08
d
yr
n .2409833128376515 2.5235e-09 deg/d
Q 3.402183293435757 2.3751e-08 au
  Orbit Determination Parameters
   # obs. used (total)      531  
   data-arc span      6700 days (18.34 yr)  
   first obs. used      2002-11-01  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50208  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:46:03  

Additional Information
 Earth MOID = .711943 au 
 Jupiter MOID = 1.93198 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. 2020-October); 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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