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52012 (2002 LQ55)
Classification: Main-belt Asteroid          SPK-ID: 2052012
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1240154810412779 3.6453e-08  
a 3.105472631583517 2.01e-08 au
q 2.720345949317164 1.1113e-07 au
i 21.53388045346775 4.4928e-06 deg
node 210.3613861195456 9.0351e-06 deg
peri 59.88926773138751 1.8188e-05 deg
M 141.6032527375558 1.6536e-05 deg
tp 2458414.249897770915
(2018-Oct-22.74989777)
9.0618e-05 TDB
period 1998.895020632533
5.47
1.9407e-05
5.313e-08
d
yr
n .1800995031175179 1.7485e-09 deg/d
Q 3.490599313849871 2.2593e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1441  
   data-arc span      9040 days (24.75 yr)  
   first obs. used      1996-05-09  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50729  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:42:07  

Additional Information
 Earth MOID = 1.76806 au 
 Jupiter MOID = 1.66256 au 
 T_jup = 3.102 
[ 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 13.85   n/a MPCxxxxx  
diameter diameter 8.874 km 0.322 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.081   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52012 (2002 LQ55)          Discovered 2002-Jun-15 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

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