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295829 (2008 UR355)
Classification: Main-belt Asteroid          SPK-ID: 2295829
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1223465916623564 4.3538e-08  
a 2.314334439576728 1.6001e-08 au
q 2.031183508927706 9.6649e-08 au
i 6.84156915997093 4.5332e-06 deg
node 103.5605416507116 3.5385e-05 deg
peri 276.1767143231989 3.9945e-05 deg
M 130.7929984135443 2.0826e-05 deg
tp 2458533.281964158532
(2019-Feb-18.78196416)
7.2026e-05 TDB
period 1285.99003725807
3.52
1.3337e-05
3.651e-08
d
yr
n .2799399603184918 2.9032e-09 deg/d
Q 2.597485370225751 1.7959e-08 au
  Orbit Determination Parameters
   # obs. used (total)      371  
   data-arc span      6737 days (18.44 yr)  
   first obs. used      2001-11-17  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57673  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 18:44:56  

Additional Information
 Earth MOID = 1.04725 au 
 Jupiter MOID = 2.86512 au 
 T_jup = 3.563 
[ 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 16.8   n/a MPO455187  

295829 (2008 UR355)          Discovered 2008-Oct-26 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

Alternate Designations
 2008 UR355 = 2002 AK133 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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