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120343 (2004 RU137)
Classification: Main-belt Asteroid          SPK-ID: 2120343
[ 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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1379925489597825 4.8658e-08  
a 3.098502581920655 3.1031e-08 au
q 2.670932312682956 1.6265e-07 au
i 10.69890365123372 6.0709e-06 deg
node 247.669153856096 2.8472e-05 deg
peri 29.19469666134352 3.5795e-05 deg
M 4.347169040681216 2.3164e-05 deg
tp 2458976.443621525159
(2020-May-06.94362153)		 0.00012805 TDB
period 1992.169195607242
5.45		 2.9927e-05
8.194e-08		 d
yr
n .1807075427096275 2.7146e-09 deg/d
Q 3.526072851158354 3.5313e-08 au
   Orbit Determination Parameters
   # obs. used (total)      521  
   data-arc span      7606 days (20.82 yr)  
   first obs. used      1999-10-03  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56741  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:09:08  

Additional Information
 Earth MOID = 1.66056 au 
 Jupiter MOID = 1.59288 au 
 T_jup = 3.181 
[ 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 14.8   n/a MPO299677  
diameter diameter 4.299 km 0.502 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.126   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120343 (2004 RU137)          Discovered 2004-Sep-08 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

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