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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04843238450288925 4.4008e-08  
a 2.658394914791653 2.058e-08 au
q 2.529642510117938 1.1406e-07 au
i 3.910114994992259 4.8822e-06 deg
node 72.85382183108952 8.8696e-05 deg
peri 33.69810425622679 0.00011075 deg
M 82.63526535329076 6.5893e-05 deg
tp 2458637.095251012353
(2019-Jun-02.59525101)
0.00028899 TDB
period 1583.170442742978
4.33
1.8384e-05
5.033e-08
d
yr
n .2273918147285957 2.6405e-09 deg/d
Q 2.787147319465368 2.1576e-08 au
  Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      6230 days (17.06 yr)  
   first obs. used      2003-04-26  
   last obs. used      2020-05-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57385  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 21:18:39  

Additional Information
 Earth MOID = 1.5476 au 
 Jupiter MOID = 2.26605 au 
 T_jup = 3.382 
[ 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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