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JPL Small-Body Database Browser
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226785 (2004 RP159)
Classification: Main-belt Asteroid          SPK-ID: 2226785
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .153527823745623 4.7e-08  
a 2.835866774712138 2.1148e-08 au
q 2.400482320358064 1.4079e-07 au
i 8.304361743474894 5.9894e-06 deg
node 288.5418170416698 3.1394e-05 deg
peri 76.2494842338932 3.6322e-05 deg
M 19.38771742930096 1.857e-05 deg
tp 2458506.559829499864
(2019-Jan-23.05982950)		 8.9628e-05 TDB
period 1744.32402903389
4.78		 1.9512e-05
5.342e-08		 d
yr
n .2063836729918749 2.3086e-09 deg/d
Q 3.271251229066211 2.4395e-08 au
   Orbit Determination Parameters
   # obs. used (total)      380  
   data-arc span      7000 days (19.16 yr)  
   first obs. used      1999-09-14  
   last obs. used      2018-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53269  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:50:19  

Additional Information
 Earth MOID = 1.41391 au 
 Jupiter MOID = 2.26207 au 
 T_jup = 3.279 
[ 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 15.6   n/a MPO454629  
diameter diameter 2.745 km 0.346 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.162   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226785 (2004 RP159)          Discovered 2004-Sep-10 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2004 RP159 = 2000 YB32 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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