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266841 (2009 UA27)
Classification: Main-belt Asteroid          SPK-ID: 2266841
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1019393727404455 7.3436e-08  
a 2.76788640582553 2.8431e-08 au
q 2.485729801798869 2.0337e-07 au
i 2.664283931298073 7.235e-06 deg
node 295.4369590911331 0.00015568 deg
peri 47.55343935254726 0.0001587 deg
M 149.639069465161 3.1634e-05 deg
tp 2458301.361338088286
(2018-Jul-01.86133809)
0.00014737 TDB
period 1681.979974800736
4.61
2.5915e-05
7.095e-08
d
yr
n .2140334637709638 3.2977e-09 deg/d
Q 3.05004300985219 3.1329e-08 au
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      8925 days (24.44 yr)  
   first obs. used      1995-08-27  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58901  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:50:10  

Additional Information
 Earth MOID = 1.47855 au 
 Jupiter MOID = 2.30539 au 
 T_jup = 3.329 
[ 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 16.6   n/a MPO454983  

266841 (2009 UA27)          Discovered 2009-Oct-21 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2009 UA27 = 2005 XG36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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