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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2395087117585258 4.1191e-08  
a 2.715021187123757 1.5122e-08 au
q 2.064749960198642 1.108e-07 au
i 14.50731246810386 4.8991e-06 deg
node 139.4818614981237 1.7738e-05 deg
peri 121.655392027159 2.0683e-05 deg
M 29.06485607525877 1.0186e-05 deg
tp 2458468.575961565762
(2018-Dec-16.07596157)
4.5676e-05 TDB
period 1634.023361868748
4.47
1.3652e-05
3.738e-08
d
yr
n .2203150875323389 1.8406e-09 deg/d
Q 3.365292414048871 1.8744e-08 au
  Orbit Determination Parameters
   # obs. used (total)      541  
   data-arc span      7153 days (19.58 yr)  
   first obs. used      2000-03-05  
   last obs. used      2019-10-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56727  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 12:49:53  

Additional Information
 Earth MOID = 1.08879 au 
 Jupiter MOID = 1.9382 au 
 T_jup = 3.274 
[ 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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