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59474 (1999 HK2)
Classification: Main-belt Asteroid          SPK-ID: 2059474
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2127470140594095 4.2491e-08  
a 2.562758320363584 1.3906e-08 au
q 2.017539139950324 1.1218e-07 au
i 15.02205788054925 5.1084e-06 deg
node 51.94501951141771 2.302e-05 deg
peri 186.0909751462625 2.9381e-05 deg
M 313.0387651984117 2.0922e-05 deg
tp 2458795.977561228462
(2019-Nov-08.47756123)
8.8194e-05 TDB
period 1498.510896052208
4.10
1.2197e-05
3.339e-08
d
yr
n .2402384933926149 1.9553e-09 deg/d
Q 3.107977500776844 1.6864e-08 au
  Orbit Determination Parameters
   # obs. used (total)      842  
   data-arc span      8206 days (22.47 yr)  
   first obs. used      1996-11-14  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54382  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:14:59  

Additional Information
 Earth MOID = 1.00649 au 
 Jupiter MOID = 1.90136 au 
 T_jup = 3.355 
[ 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 14.9   n/a MPO432148  
diameter diameter 5.755 km 0.118 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.037   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59474 (1999 HK2)          Discovered 1999-Apr-20 by Korlevic, K., Juric, M. at Visnjan
Reference: 20030614/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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