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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1136369325254227 1.2275e-07  
a 5.222443361742315 6.0963e-07 au
q 4.628980917826162 5.3196e-07 au
i 4.628983653771617 1.0883e-05 deg
node 187.4037622219295 8.9302e-05 deg
peri 247.9846594078367 0.00011366 deg
M 253.635208583794 0.00010248 deg
tp 2459888.466083984961
(2022-Nov-04.96608398)
0.0014493 TDB
period 4359.22248387863
11.93
0.00076329
2.09e-06
d
yr
n .08258353441040456 1.446e-08 deg/d
Q 5.815905805658469 6.789e-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 = 3.64742 au 
 Jupiter MOID = .0533539 au 
 T_jup = 2.981 
[ 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 13.5   n/a MPO338935  
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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