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312461 (2008 RK14)
Classification: Jupiter Trojan          SPK-ID: 2312461
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02936649661224647 1.4035e-07  
a 5.127657954978475 2.5921e-07 au
q 4.977076605014841 9.0877e-07 au
i 6.255242269587598 1.0981e-05 deg
node 302.3373328061805 7.9742e-05 deg
peri 53.95303858793216 0.00018031 deg
M 335.1259894494311 0.000155 deg
tp 2458893.535550640896
(2020-Feb-14.03555064)
0.0018181 TDB
period 4241.085208847032
11.61
0.00032159
8.805e-07
d
yr
n .084883934717706 6.4365e-09 deg/d
Q 5.278239304942109 2.6682e-07 au
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      6852 days (18.76 yr)  
   first obs. used      2000-12-22  
   last obs. used      2019-09-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .563  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 08:11:02  

Additional Information
 Earth MOID = 3.97513 au 
 Jupiter MOID = .0580739 au 
 T_jup = 2.987 
[ 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 13.4   n/a MPO455303  
diameter diameter 13.519 km 1.195 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.038   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

312461 (2008 RK14)          Discovered 2008-Sep-04 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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