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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .330231314943448 6.4428e-08  
a 2.557686344124647 1.8609e-08 au
q 1.713058219491464 1.6869e-07 au
i 7.382163187820945 7.7252e-06 deg
node 7.97094506206164 2.9983e-05 deg
peri 296.7551703533538 3.4103e-05 deg
M 179.9340080246137 1.479e-05 deg
tp 2458253.741616114198
(2018-May-15.24161611)
6.3813e-05 TDB
period 1494.064524823537
4.09
1.6305e-05
4.464e-08
d
yr
n .2409534488093942 2.6296e-09 deg/d
Q 3.40231446875783 2.4754e-08 au
  Orbit Determination Parameters
   # obs. used (total)      521  
   data-arc span      6272 days (17.17 yr)  
   first obs. used      2002-11-01  
   last obs. used      2020-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50181  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:08:39  

Additional Information
 Earth MOID = .714158 au 
 Jupiter MOID = 1.93194 au 
 T_jup = 3.347 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457217.5 (2015-Jul-14.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3317528413425063 6.4707e-08  
q 1.707539057775174 1.6953e-07 au
tp 2456760.898454986330
(2014-Apr-13.39845499)
7.0959e-05 TDB
node 8.007567080729155 2.9981e-05 deg
peri 296.7584187047099 3.4077e-05 deg
i 7.387745505825761 7.7271e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      521  
   data-arc span      6272 days (17.17 yr)  
   first obs. used      2002-11-01  
   last obs. used      2020-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50181  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:08:39  

Additional Information
 Jupiter MOID = 1.93194 au 
 T_jup = 3.347 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.186963905023019E-15 -1.094270130967832E-14 3.454865516693889E-12 -2.360725362706902E-14 6.560479343822015E-13 -2.603537435149367E-14
q -1.094270130967832E-14 2.874141313232375E-14 -9.330438222440209E-12 5.828563954173711E-14 -1.780266796704181E-12 6.963788577874423E-14
tp 3.454865516693889E-12 -9.330438222440209E-12 5.035182431514623E-9 -1.975150614366476E-11 1.136107115491262E-9 -3.519418365714888E-11
node -2.360725362706902E-14 5.828563954173711E-14 -1.975150614366476E-11 8.98876654329684E-10 -8.942786802510335E-10 4.331748065338569E-11
peri 6.560479343822015E-13 -1.780266796704181E-12 1.136107115491262E-9 -8.942786802510335E-10 1.161231143872183E-9 -5.055768007480066E-11
i -2.603537435149367E-14 6.963788577874423E-14 -3.519418365714888E-11 4.331748065338569E-11 -5.055768007480066E-11 5.970805334452334E-11

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

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