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243449 (2009 HP19)
Classification: Main-belt Asteroid          SPK-ID: 2243449
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 .2247616902536269 4.557e-08  
a 2.804171379759692 3.35e-08 au
q 2.173901080684059 1.1839e-07 au
i 10.41196122291444 6.017e-06 deg
node 98.44613130482664 3.6065e-05 deg
peri 232.6033715568019 4.0928e-05 deg
M 37.75522310103674 2.2923e-05 deg
tp 2458820.621277021860
(2019-Dec-03.12127702)
0.000107 TDB
period 1715.162431932554
4.70
3.0735e-05
8.415e-08
d
yr
n .2098926569854793 3.7612e-09 deg/d
Q 3.434441678835326 4.1029e-08 au
  Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      7400 days (20.26 yr)  
   first obs. used      1998-01-07  
   last obs. used      2018-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5776  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 09:32:55  

Additional Information
 Earth MOID = 1.18049 au 
 Jupiter MOID = 1.9733 au 
 T_jup = 3.263 
[ 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 16.2   n/a MPO440239  
diameter diameter 3.484 km 0.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243449 (2009 HP19)          Discovered 2009-Apr-18 by Durig, D. T. at Cordell-Lorenz
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Alternate Designations
 2009 HP19 = 2005 LV11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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