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312854 (2011 UR86)
Classification: Main-belt Asteroid          SPK-ID: 2312854
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1571631892336115 4.6723e-08  
a 2.964890856555721 3.826e-08 au
q 2.49891915380985 1.491e-07 au
i 2.440220935505863 6.267e-06 deg
node 227.0837446346604 0.00013101 deg
peri 114.53006838464 0.00013279 deg
M 309.6862589384021 2.3481e-05 deg
tp 2459261.112716179769
(2021-Feb-15.61271618)
0.00012434 TDB
period 1864.710829390615
5.11
3.6094e-05
9.882e-08
d
yr
n .1930594247246623 3.737e-09 deg/d
Q 3.430862559301592 4.4273e-08 au
  Orbit Determination Parameters
   # obs. used (total)      157  
   data-arc span      6822 days (18.68 yr)  
   first obs. used      2000-08-27  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61981  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:48:41  

Additional Information
 Earth MOID = 1.49199 au 
 Jupiter MOID = 1.98017 au 
 T_jup = 3.245 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO471275  

312854 (2011 UR86)          Discovered 2005-Jul-28 by NEAT at Palomar
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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