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JPL Small-Body Database Browser
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277402 (2005 UR181)
Classification: Main-belt Asteroid          SPK-ID: 2277402
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0486639514080035 5.184e-08  
a 2.659254483539188 2.5525e-08 au
q 2.529844652570722 1.436e-07 au
i 3.910202629478376 5.9601e-06 deg
node 72.85799869523521 8.9961e-05 deg
peri 33.98456794503873 0.00011262 deg
M 351.4146420494021 6.8456e-05 deg
tp 2458638.274105009229
(2019-Jun-03.77410501)		 0.00030137 TDB
period 1583.93836128586
4.34		 2.2806e-05
6.244e-08		 d
yr
n .227281571555441 3.2724e-09 deg/d
Q 2.788664314507654 2.6768e-08 au
   Orbit Determination Parameters
   # obs. used (total)      176  
   data-arc span      5710 days (15.63 yr)  
   first obs. used      2003-04-26  
   last obs. used      2018-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58744  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:21:07  

Additional Information
 Earth MOID = 1.548 au 
 Jupiter MOID = 2.26585 au 
 T_jup = 3.381 
[ 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 MPO418474  

277402 (2005 UR181)          Discovered 2005-Oct-24 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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