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52740 (1998 HB113)
Classification: Main-belt Asteroid          SPK-ID: 2052740
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1051536452667168 4.2711e-08  
a 3.130316672350713 1.8435e-08 au
q 2.801152463413857 1.3242e-07 au
i 12.5013875243425 4.4197e-06 deg
node 70.72757108527068 1.9463e-05 deg
peri 129.0009499690032 2.6369e-05 deg
M 42.50863744661365 1.6855e-05 deg
tp 2458961.633348197791
(2020-Apr-22.13334820)
9.5026e-05 TDB
period 2022.92992234324
5.54
1.787e-05
4.893e-08
d
yr
n .1779596989612955 1.5721e-09 deg/d
Q 3.459480881287569 2.0374e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1579  
   data-arc span      8176 days (22.38 yr)  
   first obs. used      1998-03-24  
   last obs. used      2020-08-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4892  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:47:36  

Additional Information
 Earth MOID = 1.815 au 
 Jupiter MOID = 1.58796 au 
 T_jup = 3.168 
[ 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 13.22   n/a E2021B10  
diameter diameter 7.957 km 0.123 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.193   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52740 (1998 HB113)          Discovered 1998-Apr-23 by LINEAR at Socorro
Reference: 20030216/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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