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JPL Small-Body Database Browser
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52736 (1998 HA61)
Classification: Main-belt Asteroid          SPK-ID: 2052736
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05360842980130961 4.1511e-08  
a 3.124351469842057 2.0995e-08 au
q 2.95685989339641 1.292e-07 au
i 16.82304070318685 4.8508e-06 deg
node 24.38471794951504 1.4557e-05 deg
peri 25.7686230364183 4.388e-05 deg
M 85.53366908526817 4.0896e-05 deg
tp 2458121.238157315820
(2018-Jan-02.73815732)
0.00022882 TDB
period 2017.150266222138
5.52
2.0332e-05
5.567e-08
d
yr
n .1784695994286204 1.7989e-09 deg/d
Q 3.291843046287703 2.2121e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1153  
   data-arc span      7697 days (21.07 yr)  
   first obs. used      1998-03-29  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49576  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:07:30  

Additional Information
 Earth MOID = 1.97052 au 
 Jupiter MOID = 1.97236 au 
 T_jup = 3.147 
[ 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 13.5   n/a MPO365864  
diameter diameter 7.583 km 0.702 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.147   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52736 (1998 HA61)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HA61 = 2000 TK19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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