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243451 (2009 HL60)
Classification: Main-belt Asteroid          SPK-ID: 2243451
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06807155005282679 6.895e-08  
a 2.766583696717222 3.8411e-08 au
q 2.578258056130801 1.7526e-07 au
i 5.816387310543935 5.8282e-06 deg
node 94.03869845092311 7.4549e-05 deg
peri 163.538763771782 9.8944e-05 deg
M 112.5608926142593 6.2398e-05 deg
tp 2458474.967989250228
(2018-Dec-22.46798925)
0.00029545 TDB
period 1680.79267564329
4.60
3.5004e-05
9.584e-08
d
yr
n .2141846553812576 4.4606e-09 deg/d
Q 2.954909337303643 4.1026e-08 au
  Orbit Determination Parameters
   # obs. used (total)      249  
   data-arc span      6520 days (17.85 yr)  
   first obs. used      2001-10-17  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .582  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:15:47  

Additional Information
 Earth MOID = 1.56358 au 
 Jupiter MOID = 2.07975 au 
 T_jup = 3.328 
[ 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 16.0   n/a MPO440239  
diameter diameter 3.571 km 0.660 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243451 (2009 HL60)          Discovered 2009-Apr-21 by LINEAR at Socorro
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Alternate Designations
 2009 HL60 = 2004 FJ101 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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