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295531 (2008 RK125)
Classification: Jupiter Trojan          SPK-ID: 2295531
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1141600495725923 1.2336e-07  
a 5.222689993709033 6.022e-07 au
q 4.626467445124928 5.3298e-07 au
i 4.629228143361307 1.0884e-05 deg
node 187.4017396816638 8.9297e-05 deg
peri 247.9631174339734 0.0001137 deg
M 286.7528242133891 0.00010783 deg
tp 2459887.509318036566
(2022-Nov-04.00931804)
0.0014483 TDB
period 4359.531286550082
11.94
0.00075401
2.064e-06
d
yr
n .08257768469529353 1.4282e-08 deg/d
Q 5.818912542293138 6.7095e-07 au
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      6759 days (18.51 yr)  
   first obs. used      1997-12-06  
   last obs. used      2016-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58721  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 10:41:43  

Additional Information
 Earth MOID = 3.64507 au 
 Jupiter MOID = .0523326 au 
 T_jup = 2.980 
[ 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 MPO494581  
diameter diameter 11.185 km 0.884 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.068   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

295531 (2008 RK125)          Discovered 2008-Sep-07 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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