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308449 (2005 SK229)
Classification: Main-belt Asteroid          SPK-ID: 2308449
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1354073681995814 1.0639e-07  
a 3.114462721654418 3.917e-08 au
q 2.692741521159488 3.3378e-07 au
i 4.774262875104166 1.1866e-05 deg
node 356.5579682999369 9.1593e-05 deg
peri 36.89934033631635 9.8694e-05 deg
M 220.9505026073818 3.3104e-05 deg
tp 2459775.925457557001
(2022-Jul-15.42545756)
0.00019012 TDB
period 2007.581256711108
5.50
3.7874e-05
1.037e-07
d
yr
n .1793202635243591 3.3829e-09 deg/d
Q 3.536183922149348 4.4474e-08 au
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      8953 days (24.51 yr)  
   first obs. used      1994-09-28  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65917  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:56:13  

Additional Information
 Earth MOID = 1.70064 au 
 Jupiter MOID = 1.927 au 
 T_jup = 3.198 
[ 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 16.4   n/a MPO437366  

308449 (2005 SK229)          Discovered 2005-Sep-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

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