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154875 (2004 RW114)
Classification: Main-belt Asteroid          SPK-ID: 2154875
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2192029601599091 5.0974e-08  
a 2.732641733176029 2.1174e-08 au
q 2.133638576207339 1.3525e-07 au
i 4.707707375018662 4.2758e-06 deg
node 82.65209072536098 6.3227e-05 deg
peri 253.6738763158593 6.3938e-05 deg
M 178.9125619018002 1.1958e-05 deg
tp 2458180.505752657828
(2018-Mar-03.00575266)
4.9493e-05 TDB
period 1649.956413933679
4.52
1.9177e-05
5.25e-08
d
yr
n .2181875817808545 2.5359e-09 deg/d
Q 3.331644890144719 2.5815e-08 au
  Orbit Determination Parameters
   # obs. used (total)      469  
   data-arc span      8893 days (24.35 yr)  
   first obs. used      1995-08-31  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51774  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 20:05:57  

Additional Information
 Earth MOID = 1.12993 au 
 Jupiter MOID = 2.0696 au 
 T_jup = 3.314 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO469641  
diameter diameter 3.997 km 0.183 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

154875 (2004 RW114)          Discovered 2004-Sep-07 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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