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JPL Small-Body Database Browser
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52743 (1998 HW135)
Classification: Main-belt Asteroid          SPK-ID: 2052743
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02806472137145709 3.8736e-08  
a 2.976883800742496 1.9882e-08 au
q 2.893338386319454 1.187e-07 au
i 10.35202878799391 4.5995e-06 deg
node 30.0170147973908 2.4759e-05 deg
peri 197.6778923547504 8.9226e-05 deg
M 359.491830150411 8.542e-05 deg
tp 2458603.148180873107
(2019-Apr-29.64818087)
0.00044514 TDB
period 1876.036358886316
5.14
1.8795e-05
5.146e-08
d
yr
n .1918939354745285 1.9224e-09 deg/d
Q 3.060429215165539 2.044e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1490  
   data-arc span      25372 days (69.46 yr)  
   first obs. used      1949-11-21  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48998  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:47:46  

Additional Information
 Earth MOID = 1.88625 au 
 Jupiter MOID = 1.90695 au 
 T_jup = 3.235 
[ 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 13.0   n/a MPO493239  
diameter diameter 9.604 km 0.253 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.145   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52743 (1998 HW135)          Discovered 1998-Apr-20 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HW135 = 2000 QO146 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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