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JPL Small-Body Database Browser
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233117 (2005 SQ257)
Classification: Main-belt Asteroid          SPK-ID: 2233117
[ 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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2403903843240025 8.0674e-08  
a 2.341542471141907 1.3538e-08 au
q 1.77865817659313 1.975e-07 au
i 4.245447019994053 4.0528e-06 deg
node 238.965238201186 6.6254e-05 deg
peri 135.2542874028571 6.7604e-05 deg
M 290.6620133962684 1.3987e-05 deg
tp 2458852.569448975080
(2020-Jan-04.06944897)		 5.2418e-05 TDB
period 1308.734303890868
3.58		 1.135e-05
3.107e-08		 d
yr
n .2750749322683144 2.3856e-09 deg/d
Q 2.904426765690685 1.6792e-08 au
   Orbit Determination Parameters
   # obs. used (total)      447  
   data-arc span      7626 days (20.88 yr)  
   first obs. used      1998-12-15  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53107  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 01:34:04  

Additional Information
 Earth MOID = .782054 au 
 Jupiter MOID = 2.57178 au 
 T_jup = 3.521 
[ 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 16.6   n/a MPO248479  

233117 (2005 SQ257)          Discovered 2005-Sep-18 by NEAT at Palomar
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

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