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109145 (2001 QO57)
Classification: Main-belt Asteroid          SPK-ID: 2109145
[ 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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2392747345047626 4.0752e-08  
a 2.715028848979291 1.4873e-08 au
q 2.065391041967 1.093e-07 au
i 14.50732404798108 4.8417e-06 deg
node 139.4781859284506 1.7553e-05 deg
peri 121.6821980106814 2.0508e-05 deg
M 117.1936211292236 1.0583e-05 deg
tp 2458468.561318327887
(2018-Dec-16.06131833)		 4.5707e-05 TDB
period 1634.030278753871
4.47		 1.3427e-05
3.676e-08		 d
yr
n .2203141549338607 1.8103e-09 deg/d
Q 3.364666655991582 1.8432e-08 au
   Orbit Determination Parameters
   # obs. used (total)      545  
   data-arc span      7200 days (19.71 yr)  
   first obs. used      2000-03-05  
   last obs. used      2019-11-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5659  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:04:22  

Additional Information
 Earth MOID = 1.08984 au 
 Jupiter MOID = 1.93974 au 
 T_jup = 3.275 
[ 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 15.4   n/a MPO436525  
diameter diameter 1.982 km 0.412 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.410   0.212 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109145 (2001 QO57)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 QO57 = 2000 EO33 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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