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JPL Small-Body Database Browser
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447277 (2005 UK454)
Classification: Main-belt Asteroid          SPK-ID: 2447277
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .233710963398215 1.4179e-07  
a 3.000998906513948 5.9561e-08 au
q 2.299632560915583 4.5081e-07 au
i 9.731851430566836 1.2414e-05 deg
node 293.922179781504 7.3154e-05 deg
peri 78.95045172648678 8.2238e-05 deg
M 230.99503787758 3.4675e-05 deg
tp 2459280.957644488852
(2021-Mar-07.45764449)
0.00019698 TDB
period 1898.878523630168
5.20
5.6531e-05
1.548e-07
d
yr
n .1895855872400792 5.6441e-09 deg/d
Q 3.702365252112313 7.3481e-08 au
  Orbit Determination Parameters
   # obs. used (total)      80  
   data-arc span      4138 days (11.33 yr)  
   first obs. used      2005-09-29  
   last obs. used      2017-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66861  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 11:41:06  

Additional Information
 Earth MOID = 1.32303 au 
 Jupiter MOID = 1.94634 au 
 T_jup = 3.189 
[ 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 16.9   n/a MPO357071  

447277 (2005 UK454)          Discovered 2005-Sep-29 by CSS at Catalina
Reference: Last Updated: 2015-10-28

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