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JPL Small-Body Database Browser
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312843 (2011 UA55)
Classification: Main-belt Asteroid          SPK-ID: 2312843
[ 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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1024327383616552 7.4347e-08  
a 3.025468138221592 3.5624e-08 au
q 2.715561151997615 2.2106e-07 au
i 8.647755071875011 6.956e-06 deg
node 235.5971745361413 3.5741e-05 deg
peri 151.9627689416854 4.4617e-05 deg
M 175.974630228854 3.0057e-05 deg
tp 2457660.917622083455
(2016-Sep-29.41762208)		 0.00015206 TDB
period 1922.150116809818
5.26		 3.3949e-05
9.295e-08		 d
yr
n .187290262530322 3.3079e-09 deg/d
Q 3.335375124445568 3.9273e-08 au
   Orbit Determination Parameters
   # obs. used (total)      265  
   data-arc span      8590 days (23.52 yr)  
   first obs. used      1995-11-17  
   last obs. used      2019-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54659  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:02:27  

Additional Information
 Earth MOID = 1.72389 au 
 Jupiter MOID = 2.09406 au 
 T_jup = 3.220 
[ 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 15.5   n/a MPO437380  

312843 (2011 UA55)          Discovered 1995-Nov-17 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

Alternate Designations
 2011 UA55 = 1995 WT17 = 2000 TA28 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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