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JPL Small-Body Database Browser
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108530 (2001 LD4)
Classification: Main-belt Asteroid          SPK-ID: 2108530
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2755789784572061 3.8798e-08  
a 2.699627858316624 1.5779e-08 au
q 1.955667170907113 1.021e-07 au
i 13.55587722591383 4.9676e-06 deg
node 94.57108337085451 2.0915e-05 deg
peri 228.5879634586776 2.2972e-05 deg
M 73.31636832653531 9.1009e-06 deg
tp 2458670.546513212970
(2019-Jul-06.04651321)
4.0412e-05 TDB
period 1620.146468716179
4.44
1.4205e-05
3.889e-08
d
yr
n .2222021323079929 1.9482e-09 deg/d
Q 3.443588545726134 2.0128e-08 au
  Orbit Determination Parameters
   # obs. used (total)      743  
   data-arc span      6765 days (18.52 yr)  
   first obs. used      2001-05-21  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55035  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:01:13  

Additional Information
 Earth MOID = .970267 au 
 Jupiter MOID = 1.96356 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 15.2   n/a MPO400979  
diameter diameter 5.516 km 0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

108530 (2001 LD4)          Discovered 2001-Jun-13 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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