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277455 (2005 UK512)
Classification: Main-belt Asteroid          SPK-ID: 2277455
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1977093101535091 7.1865e-08  
a 2.558804972444895 2.1728e-08 au
q 2.052905406525446 1.8225e-07 au
i 3.911493465156252 7.3902e-06 deg
node 232.617880827073 9.2306e-05 deg
peri 284.9904496104531 9.4046e-05 deg
M 120.3504312054479 1.7362e-05 deg
tp 2458500.696427848144
(2019-Jan-17.19642785)
7.0198e-05 TDB
period 1495.044796869188
4.09
1.9043e-05
5.214e-08
d
yr
n .2407954602791069 3.0671e-09 deg/d
Q 3.064704538364344 2.6024e-08 au
  Orbit Determination Parameters
   # obs. used (total)      205  
   data-arc span      6830 days (18.70 yr)  
   first obs. used      2001-11-16  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45736  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 18:35:44  

Additional Information
 Earth MOID = 1.0663 au 
 Jupiter MOID = 1.94954 au 
 T_jup = 3.405 
[ 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 17.3   n/a MPO427523  

277455 (2005 UK512)          Discovered 2005-Oct-30 by Spacewatch at Kitt Peak
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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