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52739 (1998 HP109)
Classification: Main-belt Asteroid          SPK-ID: 2052739
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1970280928379325 4.2869e-08  
a 3.052195209174799 1.709e-08 au
q 2.450827008142014 1.3283e-07 au
i 11.16368313250262 5.2588e-06 deg
node 153.3488358161705 2.3027e-05 deg
peri 69.45250973397283 2.6286e-05 deg
M 76.99704123447992 1.2227e-05 deg
tp 2458783.929585457481
(2019-Oct-27.42958546)
6.567e-05 TDB
period 1947.676778626023
5.33
1.6358e-05
4.479e-08
d
yr
n .1848355969279255 1.5524e-09 deg/d
Q 3.653563410207584 2.0457e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1236  
   data-arc span      17203 days (47.10 yr)  
   first obs. used      1973-09-29  
   last obs. used      2020-11-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52398  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:47:36  

Additional Information
 Earth MOID = 1.46958 au 
 Jupiter MOID = 1.45547 au 
 T_jup = 3.178 
[ 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 14.01   n/a E2021B10  
diameter diameter 9.574 km 0.255 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52739 (1998 HP109)          Discovered 1998-Apr-23 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HP109 = 2000 TB58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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