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109855 (2001 RU134)
Classification: Main-belt Asteroid          SPK-ID: 2109855
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1628651593829682 4.2834e-08  
a 2.661514727808527 1.7302e-08 au
q 2.228046707463874 1.1604e-07 au
i 11.56321988558509 6.8953e-06 deg
node 23.5911499935257 2.4739e-05 deg
peri 77.97527685509037 3.6054e-05 deg
M 24.55063834100974 2.2958e-05 deg
tp 2458892.343649282115
(2020-Feb-12.84364928)
0.00010109 TDB
period 1585.958202699717
4.34
1.5465e-05
4.234e-08
d
yr
n .2269921107549906 2.2134e-09 deg/d
Q 3.09498274815318 2.0119e-08 au
  Orbit Determination Parameters
   # obs. used (total)      584  
   data-arc span      7622 days (20.87 yr)  
   first obs. used      1999-03-21  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61326  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:34:22  

Additional Information
 Earth MOID = 1.27819 au 
 Jupiter MOID = 2.16983 au 
 T_jup = 3.338 
[ 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 15.3   n/a MPO453559  
diameter diameter 5.602 km 0.191 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109855 (2001 RU134)          Discovered 2001-Sep-12 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 RU134 = 2001 QG324 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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