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JPL Small-Body Database Browser
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109027 (2001 QQ9)
Classification: Main-belt Asteroid          SPK-ID: 2109027
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1746968857182382 4.0802e-08  
a 2.740390832449488 1.3382e-08 au
q 2.261653088369752 1.128e-07 au
i 2.433697945920938 4.6845e-06 deg
node 286.7974011728899 0.00011078 deg
peri 3.121917796756812 0.00011187 deg
M 353.1898495400848 1.3507e-05 deg
tp 2458631.845225041010
(2019-May-28.34522504)
6.2159e-05 TDB
period 1656.979692472795
4.54
1.2137e-05
3.323e-08
d
yr
n .2172627713154129 1.5914e-09 deg/d
Q 3.219128576529224 1.572e-08 au
  Orbit Determination Parameters
   # obs. used (total)      681  
   data-arc span      8055 days (22.05 yr)  
   first obs. used      1997-10-05  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53208  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 12:49:30  

Additional Information
 Earth MOID = 1.2447 au 
 Jupiter MOID = 1.95834 au 
 T_jup = 3.327 
[ 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 15.5   n/a MPO264099  
diameter diameter 2.940 km 0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.155   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109027 (2001 QQ9)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 QQ9 = 2000 ED4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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