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351266 (2004 RU189)
Classification: Inner Main-belt Asteroid          SPK-ID: 2351266
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1030909968582128 1.1404e-07  
a 1.887355485701718 1.1042e-08 au
q 1.692786127254911 2.1573e-07 au
i 19.44684885874106 9.223e-06 deg
node 346.5072164956416 1.6557e-05 deg
peri 64.94884709771881 5.9248e-05 deg
M 341.1391763799807 5.1521e-05 deg
tp 2459050.117758556244
(2020-Jul-19.61775856)
0.00013558 TDB
period 947.0632587480505
2.59
8.311e-06
2.275e-08
d
yr
n .3801224434320196 3.3358e-09 deg/d
Q 2.081924844148524 1.218e-08 au
  Orbit Determination Parameters
   # obs. used (total)      233  
   data-arc span      4874 days (13.34 yr)  
   first obs. used      2004-09-10  
   last obs. used      2018-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52117  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:54:06  

Additional Information
 Earth MOID = .753664 au 
 Jupiter MOID = 3.17853 au 
 T_jup = 3.887 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457395.5 (2016-Jan-08.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1030819352228538 1.142e-07  
q 1.693176340281742 2.1602e-07 au
tp 2457155.467200365454
(2015-May-12.96720037)
0.0001347 TDB
node 346.548679868563 1.655e-05 deg
peri 64.83497023974608 5.9197e-05 deg
i 19.44847486783927 9.2236e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      233  
   data-arc span      4874 days (13.34 yr)  
   first obs. used      2004-09-10  
   last obs. used      2018-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52117  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:54:06  

Additional Information
 Jupiter MOID = 3.17853 au 
 T_jup = 3.887 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.304085636123387E-14 -2.46429850911423E-14 -1.324421705109887E-11 5.374325586035701E-14 -5.702891609943537E-12 -2.677488311759478E-13
q -2.46429850911423E-14 4.666561925548561E-14 2.497459329774001E-11 -1.007103602334893E-13 1.076235235349533E-11 5.091523812086236E-13
tp -1.324421705109887E-11 2.497459329774001E-11 1.814391381804837E-8 -6.10995994299354E-11 7.668680123310315E-9 2.929237299412719E-10
node 5.374325586035701E-14 -1.007103602334893E-13 -6.10995994299354E-11 2.739000892786016E-10 -2.835180192603098E-10 7.216863331887196E-11
peri -5.702891609943537E-12 1.076235235349533E-11 7.668680123310315E-9 -2.835180192603098E-10 3.504278805124172E-9 5.566649638636628E-11
i -2.677488311759478E-13 5.091523812086236E-13 2.929237299412719E-10 7.216863331887196E-11 5.566649638636628E-11 8.50749736646785E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.5   n/a MPO434217  

351266 (2004 RU189)          Discovered 2004-Sep-10 by LINEAR at Socorro
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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