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215789 (2004 LQ9)
Classification: Main-belt Asteroid          SPK-ID: 2215789
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06336733819861423 5.1155e-08  
a 3.024134802988135 3.7094e-08 au
q 2.832503430168987 1.6524e-07 au
i 10.86988193782917 6.2582e-06 deg
node 75.94763463470284 3.2777e-05 deg
peri 223.3472345737717 7.3812e-05 deg
M 255.9268543541864 7.1576e-05 deg
tp 2459155.811064647545
(2020-Nov-02.31106465)
0.00038652 TDB
period 1920.879608592456
5.26
3.5343e-05
9.676e-08
d
yr
n .187414140058363 3.4483e-09 deg/d
Q 3.215766175807284 3.9445e-08 au
  Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      6347 days (17.38 yr)  
   first obs. used      2001-12-19  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56981  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 08:22:14  

Additional Information
 Earth MOID = 1.82662 au 
 Jupiter MOID = 1.9177 au 
 T_jup = 3.215 
[ 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 MPO300078  
diameter diameter 3.456 km 0.536 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.102   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

215789 (2004 LQ9)          Discovered 2004-Jun-13 by NEAT at Palomar
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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