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JPL Small-Body Database Browser
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312608 (2009 RU53)
Classification: Jupiter Trojan          SPK-ID: 2312608
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04449588685027184 1.5024e-07  
a 5.239929580925419 3.771e-07 au
q 5.00677426718917 1.0298e-06 au
i 9.554945242863768 1.4171e-05 deg
node 42.81307162377848 7.3312e-05 deg
peri 12.77679433727791 0.00019263 deg
M 264.8165725713508 0.00019157 deg
tp 2459758.865037933359
(2022-Jun-28.36503793)
0.0024162 TDB
period 4381.13466725714
11.99
0.00047294
1.295e-06
d
yr
n .08217049402532567 8.8703e-09 deg/d
Q 5.473084894661668 3.9388e-07 au
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      5934 days (16.25 yr)  
   first obs. used      2003-04-07  
   last obs. used      2019-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .73614  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:02:06  

Additional Information
 Earth MOID = 4.01827 au 
 Jupiter MOID = .019075 au 
 T_jup = 2.970 
[ 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 14.0   n/a MPO455304  

312608 (2009 RU53)          Discovered 2009-Sep-15 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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