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243314 (2008 RA15)
Classification: Jupiter Trojan          SPK-ID: 2243314
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04486756702866256 7.3883e-08  
a 5.213094260328089 1.9385e-07 au
q 4.979195404176082 5.2476e-07 au
i 5.410175476279072 5.9939e-06 deg
node 243.1599037773016 9.7623e-05 deg
peri 165.0504863567495 0.00014543 deg
M 279.0519672523149 0.00011134 deg
tp 2459578.064881368399
(2021-Dec-29.56488137)
0.0013666 TDB
period 4347.522050221627
11.90
0.0002425
6.639e-07
d
yr
n .08280579048049866 4.6187e-09 deg/d
Q 5.446993116480095 2.0255e-07 au
  Orbit Determination Parameters
   # obs. used (total)      188  
   data-arc span      8801 days (24.10 yr)  
   first obs. used      1995-08-22  
   last obs. used      2019-09-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46513  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:14:37  

Additional Information
 Earth MOID = 3.98912 au 
 Jupiter MOID = .0661999 au 
 T_jup = 2.989 
[ 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 13.3   n/a MPO454785  
diameter diameter 13.816 km 1.217 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.034   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

243314 (2008 RA15)          Discovered 2008-Sep-04 by Spacewatch at Kitt Peak
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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