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JPL Small-Body Database Browser
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154257 (2002 LD56)
Classification: Main-belt Asteroid          SPK-ID: 2154257
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3205174923277188 4.3629e-08  
a 3.080599783762021 1.8823e-08 au
q 2.093213666205306 1.3483e-07 au
i 18.86062354478143 5.022e-06 deg
node 137.3779207221521 1.71e-05 deg
peri 116.7390896749598 1.8467e-05 deg
M 120.8030516432322 8.0144e-06 deg
tp 2458337.785073742161
(2018-Aug-07.28507374)
4.1693e-05 TDB
period 1974.928366523497
5.41
1.8101e-05
4.956e-08
d
yr
n .1822850925138691 1.6707e-09 deg/d
Q 4.067985901318737 2.4857e-08 au
  Orbit Determination Parameters
   # obs. used (total)      698  
   data-arc span      6859 days (18.78 yr)  
   first obs. used      2001-01-20  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52387  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 17:55:15  

Additional Information
 Earth MOID = 1.15009 au 
 Jupiter MOID = 1.56611 au 
 T_jup = 3.069 
[ 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 14.5   n/a MPO439919  
diameter diameter 10.281 km 0.919 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.035   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

154257 (2002 LD56)          Discovered 2002-Jun-15 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

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