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JPL Small-Body Database Browser
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66258 (1999 GQ34)
Classification: Main-belt Asteroid          SPK-ID: 2066258
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2172852419668209 3.4209e-08  
a 2.386625144648951 1.0444e-08 au
q 1.868046722609805 7.9074e-08 au
i 4.25579122005899 3.7845e-06 deg
node 245.0187685437078 5.0321e-05 deg
peri 32.19423193740198 5.1351e-05 deg
M 202.7797442335724 8.6755e-06 deg
tp 2459588.640034084837
(2022-Jan-09.14003408)
3.339e-05 TDB
period 1346.712045711821
3.69
8.8396e-06
2.42e-08
d
yr
n .2673177247848242 1.7546e-09 deg/d
Q 2.905203566688098 1.2713e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1036  
   data-arc span      7579 days (20.75 yr)  
   first obs. used      1999-04-06  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54127  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 10:48:12  

Additional Information
 Earth MOID = .853336 au 
 Jupiter MOID = 2.2269 au 
 T_jup = 3.499 
[ 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 15.4   n/a MPO453058  
diameter diameter 5.413 km 0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.026   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66258 (1999 GQ34)          Discovered 1999-Apr-06 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 GQ34 = 2000 SQ339 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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