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JPL Small-Body Database Browser
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277449 (2005 UM492)
Classification: Main-belt Asteroid          SPK-ID: 2277449
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1019796318286311 1.5794e-07  
a 2.541238644879161 3.6243e-08 au
q 2.282084063485694 4.1048e-07 au
i 8.276357390434825 1.1266e-05 deg
node 357.626822265153 5.2572e-05 deg
peri 344.1911298921747 6.4913e-05 deg
M 166.2433232295866 4.0996e-05 deg
tp 2457917.204886976731
(2017-Jun-12.70488698)
0.00017052 TDB
period 1479.675910644923
4.05
3.1654e-05
8.666e-08
d
yr
n .2432965201434499 5.2048e-09 deg/d
Q 2.800393226272627 3.9939e-08 au
  Orbit Determination Parameters
   # obs. used (total)      178  
   data-arc span      6323 days (17.31 yr)  
   first obs. used      2001-11-12  
   last obs. used      2019-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66899  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:50:19  

Additional Information
 Earth MOID = 1.27467 au 
 Jupiter MOID = 2.58046 au 
 T_jup = 3.423 
[ 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 16.7   n/a MPO423064  

277449 (2005 UM492)          Discovered 2005-Oct-25 by LONEOS at Anderson Mesa
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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