Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
120343 (2004 RU137)
Classification: Main-belt Asteroid          SPK-ID: 2120343
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1378425317936586 4.8127e-08  
a 3.097037155072663 3.162e-08 au
q 2.670133712558418 1.6103e-07 au
i 10.69343791583038 6.0327e-06 deg
node 247.6209461816161 2.8444e-05 deg
peri 28.93782196801493 3.5721e-05 deg
M 40.74492063922731 2.3092e-05 deg
tp 2458975.185560007388
(2020-May-05.68556001)		 0.00012635 TDB
period 1990.756077685138
5.45		 3.0487e-05
8.347e-08		 d
yr
n .1808358161179696 2.7694e-09 deg/d
Q 3.523940597586909 3.5978e-08 au
   Orbit Determination Parameters
   # obs. used (total)      529  
   data-arc span      7718 days (21.13 yr)  
   first obs. used      1999-10-03  
   last obs. used      2020-11-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5649  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:24:46  

Additional Information
 Earth MOID = 1.65786 au 
 Jupiter MOID = 1.59285 au 
 T_jup = 3.182 
[ 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 14.83   n/a E2021B55  
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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Mar-03 18:25 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin