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277418 (2005 UU256)
Classification: Main-belt Asteroid          SPK-ID: 2277418
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1931949401611158 8.4778e-08  
a 2.42392049879422 4.2553e-08 au
q 1.955631323074368 2.033e-07 au
i 1.474436850407428 9.571e-06 deg
node 12.44912483441152 0.00029687 deg
peri 313.1135397794692 0.00029898 deg
M 334.9887194692615 5.7458e-05 deg
tp 2459096.265572808284
(2020-Sep-03.76557281)
0.00022235 TDB
period 1378.402284065866
3.77
3.6298e-05
9.938e-08
d
yr
n .2611719409939672 6.8775e-09 deg/d
Q 2.892209674514071 5.0774e-08 au
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      4996 days (13.68 yr)  
   first obs. used      2005-07-29  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5679  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:13:24  

Additional Information
 Earth MOID = .944152 au 
 Jupiter MOID = 2.44116 au 
 T_jup = 3.486 
[ 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 17.7   n/a MPO470934  

277418 (2005 UU256)          Discovered 2005-Oct-25 by Mt. Lemmon Survey at Mount Lemmon
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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