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134998 (2001 GU9)
Classification: Main-belt Asteroid          SPK-ID: 2134998
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1247075151139474 4.2095e-08  
a 3.152316608867982 2.4898e-08 au
q 2.759199037723631 1.3081e-07 au
i 23.40785813425871 6.9469e-06 deg
node 56.63322362302096 9.5293e-06 deg
peri 229.5758426199169 2.7561e-05 deg
M 128.8571611531744 2.6755e-05 deg
tp 2458468.772746897702
(2018-Dec-16.27274690)
0.00015101 TDB
period 2044.293144124865
5.60
2.422e-05
6.631e-08
d
yr
n .1760999889055105 2.0864e-09 deg/d
Q 3.545434180012333 2.8003e-08 au
  Orbit Determination Parameters
   # obs. used (total)      888  
   data-arc span      10281 days (28.15 yr)  
   first obs. used      1992-11-25  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .569  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 10:01:25  

Additional Information
 Earth MOID = 1.79125 au 
 Jupiter MOID = 1.63761 au 
 T_jup = 3.068 
[ 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 13.9   n/a MPO436661  
diameter diameter 9.176 km 0.255 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

134998 (2001 GU9)          Discovered 2001-Apr-15 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

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