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344864 (2004 HK60)
Classification: Main-belt Asteroid          SPK-ID: 2344864
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09264579816178101 1.1486e-07  
a 3.15384094543252 6.4989e-08 au
q 2.861650833767618 3.7627e-07 au
i 16.51291971004963 1.3746e-05 deg
node 219.143232245737 2.5341e-05 deg
peri 321.0184970336388 6.2302e-05 deg
M 282.5231541889832 5.8025e-05 deg
tp 2459040.778561218720
(2020-Jul-10.27856122)
0.00033441 TDB
period 2045.776133238008
5.60
6.3234e-05
1.731e-07
d
yr
n .175972333507577 5.4392e-09 deg/d
Q 3.446031057097422 7.101e-08 au
  Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      5813 days (15.92 yr)  
   first obs. used      2003-01-14  
   last obs. used      2018-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5604  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:26:55  

Additional Information
 Earth MOID = 1.87962 au 
 Jupiter MOID = 1.58953 au 
 T_jup = 3.136 
[ 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 15.3   n/a MPO427770  
diameter diameter 4.505 km 1.423 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.105   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

344864 (2004 HK60)          Discovered 2004-Apr-25 by Spacewatch at Kitt Peak
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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