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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05367163505622542 4.1434e-08  
a 3.123323134794772 2.0608e-08 au
q 2.955689275341401 1.2863e-07 au
i 16.8253235353145 4.8412e-06 deg
node 24.37952781260947 1.4204e-05 deg
peri 25.37222206338469 4.2873e-05 deg
M 157.3596580523629 4.0219e-05 deg
tp 2458119.218392547695
(2017-Dec-31.71839255)
0.00022429 TDB
period 2016.154474466754
5.52
1.9954e-05
5.463e-08
d
yr
n .1785577467198862 1.7672e-09 deg/d
Q 3.290956994248143 2.1714e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1168  
   data-arc span      7978 days (21.84 yr)  
   first obs. used      1998-03-29  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49084  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:34:31  

Additional Information
 Earth MOID = 1.9697 au 
 Jupiter MOID = 1.97293 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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