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312461 (2008 RK14)
Classification: Jupiter Trojan          SPK-ID: 2312461
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02978911405301553 1.4027e-07  
a 5.129629990134735 2.5901e-07 au
q 4.976822857308842 9.0904e-07 au
i 6.254768309332095 1.098e-05 deg
node 302.3327156901984 7.974e-05 deg
peri 54.56240441108807 0.00017828 deg
M 8.506980023579695 0.00015197 deg
tp 2458900.223215636110
(2020-Feb-20.72321564)
0.0017939 TDB
period 4243.532049086659
11.62
0.00032141
8.8e-07
d
yr
n .08483499024768372 6.4255e-09 deg/d
Q 5.282437122960627 2.6673e-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 = 3.97605 au 
 Jupiter MOID = .0591009 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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